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            <h1>🎓 大学受験英語イディオム学習</h1>

            <p>ランダムに出題される問題に挑戦しよう！</p>

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    <script>

        const idioms = [

            { idiom: "a black sheep", meaning: "厄介者・問題児" },

            { idiom: "a blessing in disguise", meaning: "災い転じて福となす" },

            { idiom: "a couch potato", meaning: "怠け者" },

            { idiom: "a fish out of water", meaning: "場違いな人・居心地の悪い状況にいる人" },

            { idiom: "A friend in need is a friend indeed.", meaning: "真の友は困ったときにこそ現れる" },

            { idiom: "a hot potato", meaning: "厄介な問題・取扱注意の話題" },

            { idiom: "A little bird told me.", meaning: "噂で聞いたんだけど" },

            { idiom: "a pain in the neck", meaning: "厄介な人・物・面倒な事" },

            { idiom: "A penny for your thoughts?", meaning: "何を考えているの？" },

            { idiom: "A picture is worth a thousand words.", meaning: "百聞は一見に如かず" },

            { idiom: "a piece of cake", meaning: "朝飯前・とても簡単なこと" },

            { idiom: "A rolling stone gathers no moss.", meaning: "転がる石には苔がつかない" },

            { idiom: "a white lie", meaning: "罪のない嘘・善意の嘘" },

            { idiom: "Actions speak louder than words.", meaning: "言葉より行動" },

            { idiom: "add insult to injury", meaning: "追い打ちをかける" },

            { idiom: "all bark and no bite", meaning: "吠える犬は噛まない・口だけの人" },

            { idiom: "All that glitters is not gold.", meaning: "光るもの必ずしも金ならず" },

            { idiom: "All's well that ends well.", meaning: "終わりよければすべてよし" },

            { idiom: "An apple a day keeps the doctor away.", meaning: "りんごを毎日食べれば医者いらず" },

            { idiom: "apple of one's eye", meaning: "大切な人・お気に入り" },

            { idiom: "Are you pulling my leg?", meaning: "からかってるの？" },

            { idiom: "Are you with me?", meaning: "わかりますか？付いてきてますか？" },

            { idiom: "as a matter of fact", meaning: "実のところ・実は" },

            { idiom: "as cold as stone", meaning: "石のように冷たい" },

            { idiom: "as is often the case with", meaning: "よくあることだが" },

            { idiom: "back to square one", meaning: "振り出しに戻る" },

            { idiom: "barking up the wrong tree", meaning: "見当違いをする" },

            { idiom: "Be my guest.", meaning: "どうぞご自由に" },

            { idiom: "be subject to", meaning: "〜を受けやすい・〜の対象となる" },

            { idiom: "beat around the bush", meaning: "遠回しに言う" },

            { idiom: "Beats me.", meaning: "さあ、わからないよ" },

            { idiom: "Beggars can't be choosers.", meaning: "乞食に選り好みの権利なし" },

            { idiom: "behind the eight ball", meaning: "困難な立場にある" },

            { idiom: "Believe it or not", meaning: "信じるか信じないかは別として" },

            { idiom: "Better late than never.", meaning: "遅くても来ないよりはまし" },

            { idiom: "Better luck next time.", meaning: "次回はうまくいくよう願ってるよ" },

            { idiom: "Better safe than sorry.", meaning: "石橋を叩いて渡る" },

            { idiom: "big deal", meaning: "大したこと" },

            { idiom: "Birds of a feather flock together.", meaning: "類は友を呼ぶ" },

            { idiom: "Bite me.", meaning: "うるさい放っておいて（俗語）" },

            { idiom: "bite off more than you can chew", meaning: "手に余ることをする" },

            { idiom: "bite the bullet", meaning: "覚悟を決める" },

            { idiom: "Bless you.", meaning: "お大事に（くしゃみの後に）" },

            { idiom: "Blood is thicker than water.", meaning: "血は水よりも濃い" },

            { idiom: "Break a leg.", meaning: "がんばって（特に舞台前に）" },

            { idiom: "break the ice", meaning: "緊張をほぐす" },

            { idiom: "bring home the bacon", meaning: "生計を立てる・収入を得る" },

            { idiom: "Bull's eye.", meaning: "まさにその通り" },

            { idiom: "burn the midnight oil", meaning: "夜遅くまで勉強・仕事をする" },

            { idiom: "burn your bridges", meaning: "後戻りできない選択をする" },

            { idiom: "buy a lemon", meaning: "欠陥品をつかまされる" },

            { idiom: "By all means.", meaning: "もちろんぜひ" },

            { idiom: "by no means", meaning: "決して〜ない" },

            { idiom: "by word of mouth", meaning: "口コミで" },

            { idiom: "call a spade a spade", meaning: "率直に物を言う" },

            { idiom: "Calm down.", meaning: "落ち着いて" },

            { idiom: "Can I take a rain check?", meaning: "また今度でもいいですか？" },

            { idiom: "Can't see the forest for the trees.", meaning: "木を見て森を見ず" },

            { idiom: "Cat got your tongue?", meaning: "どうして黙っているの？" },

            { idiom: "Cheer up.", meaning: "元気出して" },

            { idiom: "chicken out", meaning: "怖気づいてやめる" },

            { idiom: "Chill out.", meaning: "落ち着いて・リラックスして" },

            { idiom: "come across", meaning: "偶然出会う・〜という印象を与える" },

            { idiom: "Come again?", meaning: "すみません、もう一度仰っていただけますか？" },

            { idiom: "come to terms with", meaning: "〜を受け入れる" },

            { idiom: "Come to think of it.", meaning: "そう言えば" },

            { idiom: "cool as a cucumber", meaning: "冷静な・落ち着いた" },

            { idiom: "cost an arm and a leg", meaning: "とても高価である" },

            { idiom: "Count me in.", meaning: "私も参加します" },

            { idiom: "Cut it out.", meaning: "やめて" },

            { idiom: "cutting edge", meaning: "最先端の" },

            { idiom: "Ditto. (=Likewise)", meaning: "同上・私も同じです" },

            { idiom: "do away with", meaning: "廃止する・取り除く" },

            { idiom: "Does it ring a bell?", meaning: "心当たりある？" },

            { idiom: "Don't get me wrong.", meaning: "誤解しないでください" },

            { idiom: "Don't hold your breath.", meaning: "期待しすぎないで" },

            { idiom: "Don't judge a book by its cover.", meaning: "人は見かけによらない" },

            { idiom: "Don't mention it.", meaning: "どういたしまして" },

            { idiom: "Don't put the cart before the horse.", meaning: "順序を間違えるな" },

            { idiom: "Don't take it out on me.", meaning: "八つ当たりしないで" },

            { idiom: "down to earth", meaning: "現実的な・実際的な" },

            { idiom: "Drop me a line.", meaning: "一報ください" },

            { idiom: "Easier said than done.", meaning: "言うは易く行うは難し" },

            { idiom: "Easy come, easy go.", meaning: "得やすいものは失いやすい" },

            { idiom: "Easy does it.", meaning: "ゆっくりと・慎重に" },

            { idiom: "Enough is enough.", meaning: "もうたくさんだ" },

            { idiom: "Every cloud has a silver lining.", meaning: "上幸中にも救いはある" },

            { idiom: "Fair enough.", meaning: "それはそうだ・理にかなっている" },

            { idiom: "Far from it.", meaning: "とんでもない" },

            { idiom: "Feel free to use it.", meaning: "ご自由にお使いください" },

            { idiom: "Fill me in.", meaning: "詳しく教えて" },

            { idiom: "First come first served.", meaning: "先着順" },

            { idiom: "first things first", meaning: "まず最初に大事なことから" },

            { idiom: "For crying out loud.", meaning: "おやまあ・まったく" },

            { idiom: "For sure.", meaning: "もちろん" },

            { idiom: "for that matter", meaning: "そういう意味では" },

            { idiom: "Fortune favors the bold.", meaning: "運は勇者に味方する" },

            { idiom: "from scratch", meaning: "一から・ゼロから" },

            { idiom: "from the bottom of my heart.", meaning: "心の底から" },

            { idiom: "Get a life.", meaning: "しっかりしろ" },

            { idiom: "get the hang of", meaning: "コツをつかむ" },

            { idiom: "Get to the point.", meaning: "要点を言って" },

            { idiom: "Give me a break.", meaning: "勘弁してよ" },

            { idiom: "give someone a hand", meaning: "手を貸す" },

            { idiom: "Go ahead.", meaning: "どうぞ" },

            { idiom: "Go for it.", meaning: "やってみて" },

            { idiom: "go with the flow", meaning: "成り行きに任せる" },

            { idiom: "go without saying [that]～", meaning: "～は言うまでもない" },

            { idiom: "Good things come to those who wait.", meaning: "待つ者には福来る" },

            { idiom: "Gotcha.", meaning: "なるほど・わかった" },

            { idiom: "Guess what?", meaning: "どうだと思う？" },

            { idiom: "Hang in there.", meaning: "がんばって" },

            { idiom: "hang out with", meaning: "一緒に時間を過ごす" },

            { idiom: "Haste makes waste.", meaning: "急がば回れ" },

            { idiom: "Have a bite.", meaning: "少し食べて" },

            { idiom: "Have at it.", meaning: "どうぞ始めて" },

            { idiom: "Help yourself.", meaning: "どうぞご自由に" },

            { idiom: "Here goes nothing.", meaning: "ダメ元でやってみよう" },

            { idiom: "Here you go.", meaning: "はいどうぞ" },

            { idiom: "hit the nail on the head", meaning: "的確である" },

            { idiom: "Hold your tongue.", meaning: "黙りなさい" },

            { idiom: "Honesty is the best policy.", meaning: "正直は最良の策" },

            { idiom: "How come?", meaning: "どうして？" },

            { idiom: "How have you been?", meaning: "お元気でしたか？" },

            { idiom: "How's everything?", meaning: "調子はどう？" },

            { idiom: "How's it going?", meaning: "どう？順調？" },

            { idiom: "I appreciate it.", meaning: "ありがとう・感謝します" },

            { idiom: "I can live with that.", meaning: "それなら受け入れられます" },

            { idiom: "I can't help it.", meaning: "しかたがない" },

            { idiom: "I can't say.", meaning: "何とも言えません" },

            { idiom: "I couldn't agree more.", meaning: "全くその通りです" },

            { idiom: "I couldn't care less.", meaning: "どうでもいい" },

            { idiom: "I don't mind if I do.", meaning: "ぜひいただきます" },

            { idiom: "I got goose bumps.", meaning: "鳥肌が立った" },

            { idiom: "I gotta run.", meaning: "もう行かなきゃ" },

            { idiom: "I have butterflies in my stomach.", meaning: "緊張で胃がキリキリする" },

            { idiom: "I hear you.", meaning: "わかります" },

            { idiom: "I mean it.", meaning: "本気です" },

            { idiom: "I wasn't born yesterday.", meaning: "そんなに甘くないよ" },

            { idiom: "I've made up my mind.", meaning: "決心がつきました" },

            { idiom: "I'll be counting on you.", meaning: "よろしく頼みます" },

            { idiom: "I'll be right back.", meaning: "すぐ戻ります" },

            { idiom: "I'll bet.", meaning: "きっとそうでしょう" },

            { idiom: "I'll give it a shot.", meaning: "やってみます" },

            { idiom: "I'll keep my fingers crossed.", meaning: "うまくいくことを祈ってます" },

            { idiom: "I'll put you through.", meaning: "お繋ぎします" },

            { idiom: "I'll treasure it.", meaning: "大切にします" },

            { idiom: "I'm all ears.", meaning: "しっかり聞いてますよ" },

            { idiom: "I'm all set.", meaning: "準備できました" },

            { idiom: "I'm all thumbs.", meaning: "上器用なんです" },

            { idiom: "I'm always on the go.", meaning: "いつも忙しいんです" },

            { idiom: "I'm broke.", meaning: "お金がないんです" },

            { idiom: "I'm not in the mood.", meaning: "気分じゃない" },

            { idiom: "I'm positive.", meaning: "確信しています" },

            { idiom: "I'm totally spent.", meaning: "疲れ切っています" },

            { idiom: "in a nutshell", meaning: "一言で言えば" },

            { idiom: "in honor of", meaning: "〜を称えて" },

            { idiom: "in spite of", meaning: "〜にもかかわらず" },

            { idiom: "in the first place", meaning: "そもそも" },

            { idiom: "in the long run", meaning: "長い目で見れば" },

            { idiom: "in vain", meaning: "むだに" },

            { idiom: "In your face.", meaning: "ざまあみろ" },

            { idiom: "It can't be.", meaning: "まさか" },

            { idiom: "It depends.", meaning: "場合によります" },

            { idiom: "It doesn't matter anymore.", meaning: "もう関係ない" },

            { idiom: "It is no use crying over spilt milk.", meaning: "覆水盆に返らず" },

            { idiom: "It serves you right.", meaning: "自業自得だ" },

            { idiom: "It slipped my mind.", meaning: "すっかり忘れていた" },

            { idiom: "It's a deal.", meaning: "決まり" },

            { idiom: "It's all Greek to me.", meaning: "さっぱりわからない" },

            { idiom: "It's been a while.", meaning: "久しぶり" },

            { idiom: "It's getting on my nerves.", meaning: "イライラする" },

            { idiom: "It's in the bag.", meaning: "もう決まったようなもの" },

            { idiom: "It's letting up.", meaning: "（雨などが）やんできた" },

            { idiom: "It's my fault.", meaning: "私が悪い" },

            { idiom: "It's my treat.", meaning: "私がおごります" },

            { idiom: "It's no big deal.", meaning: "大したことない" },

            { idiom: "It's none of your business.", meaning: "あなたには関係ない" },

            { idiom: "It's not my cup of tea.", meaning: "私の好みではない" },

            { idiom: "It's not my day.", meaning: "ついていない日だ" },

            { idiom: "It's now or never.", meaning: "今しかない" },

            { idiom: "It's on the tip of my tongue.", meaning: "喉まで出かかっている" },

            { idiom: "It's still up in the air.", meaning: "まだ決まっていない" },

            { idiom: "It's up to you.", meaning: "あなた次第です" },

            { idiom: "I've had it.", meaning: "もうたくさんだ" },

            { idiom: "I've run out of gasoline.", meaning: "ガソリンが切れた" },

            { idiom: "Just a hunch.", meaning: "単なる勘" },

            { idiom: "Just a sec.", meaning: "ちょっと待って" },

            { idiom: "Just bring yourself.", meaning: "手ぶらでどうぞ" },

            { idiom: "Just in case.", meaning: "念のため" },

            { idiom: "keep an eye on", meaning: "見張る" },

            { idiom: "Keep at it.", meaning: "頑張って続けて" },

            { idiom: "Keep in touch.", meaning: "連絡を取り合おう" },

            { idiom: "Keep it to yourself.", meaning: "秘密にして" },

            { idiom: "Keep it up.", meaning: "その調子" },

            { idiom: "keep one's word", meaning: "約束を守る" },

            { idiom: "Keep the change.", meaning: "おつりはいりません" },

            { idiom: "keep track of", meaning: "記録をつける" },

            { idiom: "Keep up the good work.", meaning: "その調子で" },

            { idiom: "Kill two birds with one stone.", meaning: "一石二鳥" },

            { idiom: "Knock on wood.", meaning: "縁起担ぎで" },

            { idiom: "know better than to", meaning: "〜するほど愚かではない" },

            { idiom: "Knowledge is power.", meaning: "知識は力なり" },

            { idiom: "last straw", meaning: "最後の一押し・決定打" },

            { idiom: "Laughter is the best medicine.", meaning: "笑いは百薬の長" },

            { idiom: "Leave it to me.", meaning: "私に任せて" },

            { idiom: "Leave me alone.", meaning: "放っておいて" },

            { idiom: "let alone", meaning: "〜はおろか" },

            { idiom: "Let bygones be bygones.", meaning: "過ぎたことは水に流そう" },

            { idiom: "Let me sleep on it.", meaning: "一晩考えさせて" },

            { idiom: "let the cat out of the bag", meaning: "秘密を漏らす" },

            { idiom: "Let's agree to disagree.", meaning: "意見の相違は認めましょう" },

            { idiom: "Let's call it a day.", meaning: "今日はここまでにしましょう" },

            { idiom: "Let's get down to business.", meaning: "本題に入りましょう" },

            { idiom: "Let's split the bill.", meaning: "割り勘にしましょう" },

            { idiom: "Like father like son.", meaning: "蛙の子は蛙" },

            { idiom: "like two peas in a pod", meaning: "そっくり" },

            { idiom: "Long time no see.", meaning: "久しぶり" },

            { idiom: "Look before you leap.", meaning: "跳ぶ前に見よ（慎重に）" },

            { idiom: "lose track of", meaning: "見失う" },

            { idiom: "make a long story short", meaning: "要するに" },

            { idiom: "make do with", meaning: "〜で間に合わせる" },

            { idiom: "make ends meet", meaning: "収支を合わせる" },

            { idiom: "make it a rule to", meaning: "習慣にする" },

            { idiom: "make sense of", meaning: "理解する" },

            { idiom: "make the most of", meaning: "最大限活用する" },

            { idiom: "make up for", meaning: "埋め合わせる" },

            { idiom: "Make up your mind.", meaning: "決めて" },

            { idiom: "Make waves.", meaning: "波風を立てる" },

            { idiom: "Mind your own business.", meaning: "余計な口出しするな" },

            { idiom: "miss the boat", meaning: "機会を逃す" },

            { idiom: "Most likely.", meaning: "たぶん" },

            { idiom: "My lips are sealed.", meaning: "秘密は守ります" },

            { idiom: "My mouth is watering.", meaning: "よだれが出そう" },

            { idiom: "My pleasure.", meaning: "どういたしまして" },

            { idiom: "Never mind.", meaning: "気にしないで" },

            { idiom: "Never put off until tomorrow what you can do today.", meaning: "今日できることは明日まで延ばすな" },

            { idiom: "No doubt about it.", meaning: "間違いない" },

            { idiom: "No offense.", meaning: "悪気はありません" },

            { idiom: "No pain no gain.", meaning: "虎穴に入らずんば虎子を得ず" },

            { idiom: "no picnic", meaning: "楽しいことではない" },

            { idiom: "No sweat.", meaning: "簡単だよ" },

            { idiom: "No way.", meaning: "ありえない" },

            { idiom: "no-brainer", meaning: "考えるまでもないこと" },

            { idiom: "Not again.", meaning: "またか" },

            { idiom: "Not really.", meaning: "そうでもない" },

            { idiom: "nothing but", meaning: "〜にすぎない" },

            { idiom: "Nothing much.", meaning: "特に何も" },

            { idiom: "now and then", meaning: "時々" },

            { idiom: "Now what?", meaning: "で、どうする？" },

            { idiom: "on behalf of", meaning: "〜を代表して" },

            { idiom: "on cloud nine", meaning: "有頂天" },

            { idiom: "On second thought.", meaning: "考え直してみると" },

            { idiom: "on the ball", meaning: "機転が利く" },

            { idiom: "On the fence.", meaning: "決めかねている" },

            { idiom: "on the verge of", meaning: "〜の瀬戸際" },

            { idiom: "once in a blue moon", meaning: "めったに〜ない" },

            { idiom: "once in a lifetime", meaning: "一生に一度の" },

            { idiom: "once in a while", meaning: "時々" },

            { idiom: "Oops.", meaning: "おっと" },

            { idiom: "out of order", meaning: "故障中" },

            { idiom: "Out of sight out of mind.", meaning: "去る者は日々に疎し" },

            { idiom: "out of the blue", meaning: "突然" },

            { idiom: "out of the question", meaning: "論外" },

            { idiom: "over the hill", meaning: "盛りを過ぎた" },

            { idiom: "over the moon", meaning: "有頂天" },

            { idiom: "Play it by ear.", meaning: "その場の状況で決めよう" },

            { idiom: "Practice makes perfect.", meaning: "継続は力なり" },

            { idiom: "provided that", meaning: "〜を条件として" },

            { idiom: "pull someone's leg", meaning: "からかう" },

            { idiom: "put aside", meaning: "脇に置く" },

            { idiom: "raining cats and dogs", meaning: "土砂降り" },

            { idiom: "read between the lines", meaning: "行間を読む" },

            { idiom: "Rise and shine.", meaning: "起きて" },

            { idiom: "rock the boat", meaning: "波風を立てる" },

            { idiom: "Rome wasn't built in a day.", meaning: "ローマは一日にして成らず" },

            { idiom: "rule of thumb", meaning: "経験則" },

            { idiom: "Say when.", meaning: "もういいって言ってね" },

            { idiom: "see eye to eye", meaning: "意見が一致する" },

            { idiom: "See you around.", meaning: "また会いましょう" },

            { idiom: "sell like hot cakes", meaning: "飛ぶように売れる" },

            { idiom: "Shame on you.", meaning: "恥を知りなさい" },

            { idiom: "skeleton in the closet", meaning: "暗い過去の秘密" },

            { idiom: "So far so good.", meaning: "今のところ順調" },

            { idiom: "Speak of the devil.", meaning: "噂をすれば影" },

            { idiom: "spill the beans", meaning: "秘密を漏らす" },

            { idiom: "Stick around.", meaning: "そばにいて" },

            { idiom: "Strike while the iron is hot.", meaning: "鉄は熱いうちに打て" },

            { idiom: "Suit yourself.", meaning: "好きにして" },

            { idiom: "Take a guess.", meaning: "当ててみて" },

            { idiom: "take advantage of", meaning: "利用する" },

            { idiom: "Take it easy.", meaning: "のんびりして" },

            { idiom: "take it for granted that…", meaning: "〜を当然のことと考える" },

            { idiom: "take turns", meaning: "交代で行う" },

            { idiom: "Take your time.", meaning: "ゆっくりどうぞ" },

            { idiom: "Tell me about it.", meaning: "私にも分かるよ" },

            { idiom: "That does it.", meaning: "もうたくさんだ" },

            { idiom: "That explains it.", meaning: "なるほど" },

            { idiom: "That figures.", meaning: "予想通りだ" },

            { idiom: "That makes a lot of sense.", meaning: "それは理にかなってる" },

            { idiom: "That reminds me.", meaning: "そう言えば" },

            { idiom: "That's what I'm talking about.", meaning: "そう、そういうこと" },

            { idiom: "The ball is in your court.", meaning: "あなたの番です" },

            { idiom: "The early bird gets the worm.", meaning: "早起きは三文の得" },

            { idiom: "the elephant in the room", meaning: "誰もが知っているが触れたくない問題" },

            { idiom: "The grass is always greener on the other side.", meaning: "隣の芝生は青く見える" },

            { idiom: "The pen is mightier than the sword.", meaning: "ペンは剣よりも強し" },

            { idiom: "The sky's the limit.", meaning: "可能性は無限大" },

            { idiom: "The sooner the better.", meaning: "早ければ早いほど良い" },

            { idiom: "the whole nine yards", meaning: "完全に・すべて" },

            { idiom: "There you go again.", meaning: "またやってる" },

            { idiom: "Think nothing of it.", meaning: "どういたしまして" },

            { idiom: "This is between you and me.", meaning: "この話は内緒よ" },

            { idiom: "This is on me.", meaning: "これは私がおごります" },

            { idiom: "throw in the towel", meaning: "諦める" },

            { idiom: "Time flies.", meaning: "光陰矢の如し" },

            { idiom: "Time is money.", meaning: "時は金なり" },

            { idiom: "Time is running out.", meaning: "時間がなくなってきた" },

            { idiom: "to make the matters worse", meaning: "さらに悪いことに" },

            { idiom: "to say the least", meaning: "控えめに言っても" },

            { idiom: "Tomorrow is another day.", meaning: "明日は明日の風が吹く" },

            { idiom: "Too many cooks spoil the broth.", meaning: "船頭多くして船山に登る" },

            { idiom: "turn a blind eye", meaning: "見て見ぬふりをする" },

            { idiom: "Two heads are better than one.", meaning: "三人寄れば文殊の知恵" },

            { idiom: "under the table", meaning: "内密に" },

            { idiom: "under the weather", meaning: "体調が悪い" },

            { idiom: "up in arms", meaning: "激怒して" },

            { idiom: "up in the air", meaning: "未定" },

            { idiom: "Watch your step.", meaning: "気をつけて" },

            { idiom: "Way to go.", meaning: "その調子" },

            { idiom: "We'll cross that bridge when we come to it.", meaning: "その時が来たら考えよう" },

            { idiom: "Well done.", meaning: "よくやった" },

            { idiom: "Well said.", meaning: "よく言った" },

            { idiom: "What a coincidence.", meaning: "なんという偶然" },

            { idiom: "What a nuisance.", meaning: "なんて面倒な" },

            { idiom: "What a relief.", meaning: "ほっとした" },

            { idiom: "What a shame.", meaning: "残念" },

            { idiom: "What do you say?", meaning: "どう思う？" },

            { idiom: "What goes around comes around.", meaning: "因果応報" },

            { idiom: "What's going on?", meaning: "どうしたの？" },

            { idiom: "What's up?", meaning: "調子はどう？" },

            { idiom: "What's wrong?", meaning: "どうしたの？" },

            { idiom: "When in Rome do as the Romans do.", meaning: "郷に入っては郷に従え" },

            { idiom: "when it comes to", meaning: "〜に関しては" },

            { idiom: "when pigs fly", meaning: "ありえない話" },

            { idiom: "Where there's a will there's a way.", meaning: "意志あるところに道は開ける" },

            { idiom: "Who knows?", meaning: "わかりません" },

            { idiom: "Why a long face?", meaning: "なぜそんな悲しそうな顔？" },

            { idiom: "Why not?", meaning: "いいんじゃない？" },

            { idiom: "with respect to", meaning: "〜に関して" },

            { idiom: "You asked for it.", meaning: "自業自得" },

            { idiom: "You bet.", meaning: "もちろん" },

            { idiom: "You can say that again.", meaning: "全くその通り" },

            { idiom: "You can't have your cake and eat it too.", meaning: "二兎を追う者は一兎をも得ず" },

            { idiom: "You deserve it.", meaning: "当然の報いだ" },

            { idiom: "You don't say.", meaning: "まさか" },

            { idiom: "You got it.", meaning: "了解" },

            { idiom: "You have a point.", meaning: "一理ある" },

            { idiom: "You just made my day.", meaning: "嬉しい" },

            { idiom: "You know what?", meaning: "ねえ、聞いて？" },

            { idiom: "You name it.", meaning: "何でもどうぞ" },

            { idiom: "You never know.", meaning: "わからないものだ" },

            { idiom: "You said it.", meaning: "その通り" },

            { idiom: "You shouldn't have.", meaning: "そんな気を使わなくても" },

            { idiom: "Your guess is as good as mine.", meaning: "私にもわかりません" }

        ];


        // 英語の選択肢を生成するための意味のマッピング

        const meaningToEnglish = {

            "厄介者・問題児": ["troublemaker", "problem person", "the odd one out", "a good person"],

            "災い転じて福となす": ["a hidden blessing", "complete disaster", "obvious fortune", "bad luck"],

            "怠け者": ["lazy person", "hard worker", "active person", "busy person"],

            "場違いな人・居心地の悪い状況にいる人": ["uncomfortable in a situation", "perfectly at home", "swimming well", "very confident"],

            "真の友は困ったときにこそ現れる": ["true friends help in hard times", "friends never need help", "friends always agree", "friends are indeed needy"],

            "厄介な問題・取扱注意の話題": ["difficult issue", "easy topic", "cold potato", "sweet potato"],

            "噂で聞いたんだけど": ["I heard through gossip", "a bird actually told me", "I saw it myself", "everyone knows"],

            "厄介な人・物・面倒な事": ["annoying thing/person", "neck pain", "helpful person", "easy task"],

            "何を考えているの？": ["What are you thinking?", "Give me money", "Buy some thoughts", "Penny for sale"],

            "百聞は一見に如かず": ["seeing is better than hearing", "pictures cost a lot", "words are worthless", "thousands of words needed"],

            "朝飯前・とても簡単なこと": ["very easy", "breakfast food", "difficult task", "piece of pie"],

            "転がる石には苔がつかない": ["constant movement prevents stagnation", "stones never roll", "moss always grows", "rolling is bad"],

            "罪のない嘘・善意の嘘": ["harmless lie", "white color", "big lie", "true statement"],

            "言葉より行動": ["actions matter more than words", "speak loudly", "words are better", "neither matters"],

            "追い打ちをかける": ["make things worse", "heal injury", "add compliments", "remove insults"],

            "吠える犬は噛まない・口だけの人": ["all talk, no action", "dangerous dog", "silent person", "biting dog"],

            "光るもの必ずしも金ならず": ["appearances can be deceiving", "gold always shines", "everything glitters", "gold is not shiny"],

            "終わりよければすべてよし": ["good ending makes everything good", "endings don't matter", "beginnings are key", "all is always well"],

            "りんごを毎日食べれば医者いらず": ["apples keep you healthy", "doctors hate apples", "apples cure diseases", "avoid all fruits"],

            "大切な人・お気に入り": ["someone very precious", "eye disease", "apple in eye", "fruit preference"],

            "からかってるの？": ["Are you joking?", "Pull my leg harder", "My leg hurts", "Are you serious?"],

            "わかりますか？付いてきてますか？": ["Do you understand?", "Are you walking with me?", "Where are you?", "Are you behind me?"],

            "実のところ・実は": ["actually", "supposedly", "theoretically", "never"],

            "石のように冷たい": ["extremely cold", "made of stone", "warm feeling", "rocky texture"],

            "よくあることだが": ["as often happens", "rarely happens", "never the case", "in every case"],

            "振り出しに戻る": ["start from beginning again", "move to square two", "finish the game", "advance forward"],

            "見当違いをする": ["be mistaken", "climb trees", "find the right tree", "bark loudly"],

            "どうぞご自由に": ["please feel free", "be my visitor", "stay at my house", "invite guests"],

            "〜を受けやすい・〜の対象となる": ["be prone to", "be the subject", "avoid completely", "be immune to"],

            "遠回しに言う": ["speak indirectly", "hit bushes", "speak clearly", "stay quiet"],

            "さあ、わからないよ": ["I have no idea", "it defeats me", "I won", "I know exactly"],

            "乞食に選り好みの権利なし": ["can't be picky when desperate", "beggars always choose", "choice is important", "beggars are rich"],

            "困難な立場にある": ["in a difficult position", "playing pool", "behind number eight", "winning position"],

            "信じるか信じないかは別として": ["whether you believe it or not", "always believe", "never believe", "must believe"],

            "遅くても来ないよりはまし": ["better to arrive late than not at all", "always be late", "never come", "punctuality matters most"],

            "次回はうまくいくよう願ってるよ": ["hope you succeed next time", "bad luck forever", "no more chances", "luck doesn't matter"],

            "石橋を叩いて渡る": ["be cautious", "be reckless", "apologize first", "take risks"],

            "大したこと": ["something important", "nothing special", "huge problem", "small matter"],

            "類は友を呼ぶ": ["similar people gather together", "birds fly alone", "opposites attract", "feathers repel"],

            "うるさい放っておいて（俗語）": ["leave me alone (rude)", "bite me please", "I'm hungry", "come closer"],

            "手に余ることをする": ["take on too much", "eat carefully", "bite gently", "chew well"],

            "覚悟を決める": ["face something difficult", "shoot bullets", "avoid pain", "run away"],

            "お大事に（くしゃみの後に）": ["take care (after sneeze)", "god blesses you", "curse you", "stop sneezing"],

            "血は水よりも濃い": ["family bonds are strongest", "blood is liquid", "water is thicker", "no family matters"],

            "がんばって（特に舞台前に）": ["good luck (theater)", "break your leg", "hurt yourself", "cancel the show"],

            "緊張をほぐす": ["ease tension", "make ice", "freeze everything", "increase awkwardness"],

            "生計を立てる・収入を得る": ["earn a living", "cook bacon", "go shopping", "eat breakfast"],

            "まさにその通り": ["exactly right", "bull's eye view", "wrong target", "animal eyes"],

            "夜遅くまで勉強・仕事をする": ["work late into night", "waste oil", "sleep early", "burn things"],

            "後戻りできない選択をする": ["make irreversible decision", "build bridges", "cross safely", "go backwards"],

            "欠陥品をつかまされる": ["get defective product", "buy fruit", "get bargain", "sell lemons"],

            "もちろんぜひ": ["absolutely yes", "by some means", "maybe", "definitely not"],

            "決して〜ない": ["absolutely not", "by some means", "definitely yes", "maybe"],

            "口コミで": ["through verbal communication", "written words", "hand signals", "telepathy"],

            "率直に物を言う": ["speak directly", "use garden tools", "speak indirectly", "stay silent"],

            "落ち着いて": ["relax", "get excited", "stand up", "run away"],

            "また今度でもいいですか？": ["can we reschedule?", "check the rain", "weather forecast", "umbrella needed"],

            "木を見て森を見ず": ["miss the big picture", "good vision", "forest ranger", "tree expert"],

            "どうして黙っているの？": ["why are you silent?", "cat has your tongue", "speak up", "tongue problem"],

            "元気出して": ["be happy", "be sad", "give up", "stay depressed"],

            "怖気づいてやめる": ["back out from fear", "eat chicken", "be brave", "move forward"],

            "落ち着いて・リラックスして": ["relax", "heat up", "get angry", "be tense"],

            "偶然出会う・〜という印象を与える": ["meet by chance / give impression", "cross the street", "plan meeting", "avoid everyone"],

            "すみません、もう一度仰っていただけますか？": ["please repeat that", "come here again", "leave now", "speak louder"],

            "〜を受け入れる": ["accept something", "make terms", "reject everything", "negotiate price"],

            "そう言えば": ["now that I think about it", "never thought", "always thinking", "stop thinking"],

            "冷静な・落ち着いた": ["very calm", "eating vegetables", "hot tempered", "cucumber salad"],

            "とても高価である": ["very expensive", "cheap", "body parts price", "free of charge"],

            "私も参加します": ["include me", "exclude me", "count numbers", "I'm leaving"],

            "やめて": ["stop it", "continue", "cut paper", "start now"],

            "最先端の": ["most advanced", "sharp knife", "old fashioned", "cutting things"],

            "同上・私も同じです": ["same here", "different opinion", "repeat words", "opposite view"],

            "廃止する・取り除く": ["eliminate", "keep forever", "do something", "add more"],

            "心当たりある？": ["does it sound familiar?", "ring the doorbell", "no memory", "bell sound"],

            "誤解しないでください": ["don't misunderstand", "get me wrong", "understand perfectly", "be confused"],

            "期待しすぎないで": ["don't expect too much", "breathe normally", "hold breath forever", "expect everything"],

            "人は見かけによらない": ["don't judge by appearance", "books have covers", "always judge", "covers matter most"],

            "どういたしまして": ["you're welcome", "mention everything", "talk about it", "never speak"],

            "順序を間違えるな": ["keep proper order", "horses pull carts", "reverse everything", "random order"],

            "八つ当たりしないで": ["don't blame me", "take it away", "give it to me", "blame everyone"],

            "現実的な・実際的な": ["realistic/practical", "underground", "in the sky", "imaginary"],

            "一報ください": ["contact me", "draw lines", "drop something", "pick up lines"],

            "言うは易く行うは難し": ["easier to say than do", "doing is easy", "both are easy", "both are hard"],

            "得やすいものは失いやすい": ["easy gains, easy losses", "keep everything", "difficult to get", "permanent gains"],

            "ゆっくりと・慎重に": ["go slowly and carefully", "rush quickly", "make it hard", "be reckless"],

            "もうたくさんだ": ["I've had enough", "need more", "just started", "never enough"],

            "上幸中にも救いはある": ["good in every bad situation", "clouds have silver", "always cloudy", "no hope"],

            "それはそうだ・理にかなっている": ["that makes sense", "unfair", "doesn't matter", "too fair"],

            "とんでもない": ["absolutely not", "very close", "somewhat true", "exactly right"],

            "ご自由にお使いください": ["use it freely", "feel restricted", "don't touch", "pay to use"],

            "詳しく教えて": ["give me details", "fill forms", "stay quiet", "be vague"],

            "先着順": ["first to arrive gets served", "last served first", "random order", "no service"],

            "まず最初に大事なことから": ["prioritize important things", "do everything at once", "last things first", "nothing matters"],

            "おやまあ・まったく": ["expression of frustration", "crying loudly", "very quiet", "happy expression"],

            "もちろん": ["definitely", "definitely not", "maybe", "unsure"],

            "そういう意味では": ["in that sense", "no matter what", "different meaning", "senseless"],

            "運は勇者に味方する": ["luck favors the brave", "cowards win", "no luck exists", "bravery is bad"],

            "一から・ゼロから": ["from the beginning", "from scratches", "halfway through", "from the end"],

            "心の底から": ["sincerely", "from shallow heart", "insincerely", "heartlessly"],

            "しっかりしろ": ["get your act together", "end your life", "stay confused", "be lazy"],

            "コツをつかむ": ["learn how to do", "hang something", "lose skill", "give up"],

            "要点を言って": ["state your main point", "avoid the point", "point at things", "be vague"],

            "勘弁してよ": ["give me a break", "break something", "no rest", "work harder"],

            "手を貸す": ["help someone", "give hands away", "refuse help", "take hands"],

            "どうぞ": ["please proceed", "go backwards", "stop now", "wait forever"],

            "やってみて": ["try it", "give up", "don't attempt", "watch others"],

            "成り行きに任せる": ["let things happen naturally", "swim upstream", "control everything", "stop the flow"],

            "～は言うまでもない": ["it's obvious that", "must say it", "never mention", "speak loudly"],

            "待つ者には福来る": ["patience brings rewards", "waiting is bad", "rush everything", "good things leave"],

            "なるほど・わかった": ["I understand", "caught you", "confused", "let go"],

            "どうだと思う？": ["what do you think?", "stop guessing", "know everything", "think nothing"],

            "がんばって": ["keep trying", "give up", "hang loosely", "fall down"],

            "一緒に時間を過ごす": ["spend time together", "hang clothes", "waste time", "be alone"],

            "急がば回れ": ["slow and steady wins", "rush always", "create waste", "hurry up"],

            "少し食べて": ["have some food", "bite someone", "don't eat", "full meal"],

            "どうぞ始めて": ["please begin", "attack it", "stop now", "never start"],

            "どうぞご自由に": ["make yourself comfortable", "help others only", "stay uncomfortable", "leave now"],

            "ダメ元でやってみよう": ["let's try anyway", "guaranteed success", "don't try", "nothing will happen"],

            "はいどうぞ": ["here you are", "go away", "come here", "stay there"],

            "的確である": ["be exactly right", "hit someone's head", "miss target", "use hammer"],

            "黙りなさい": ["be quiet", "stick out tongue", "speak more", "hold objects"],

            "正直は最良の策": ["honesty is best", "lie always", "policies don't matter", "dishonesty wins"],

            "どうして？": ["why?", "how did you come?", "when?", "where?"],

            "お元気でしたか？": ["how have you been?", "where were you?", "what happened?", "are you sick?"],

            "調子はどう？": ["how are things?", "what things?", "everything is mine", "nothing exists"],

            "どう？順調？": ["how's it going?", "where going?", "stop going", "come back"],

            "ありがとう・感謝します": ["thank you", "depreciate it", "hate it", "ignore it"],

            "それなら受け入れられます": ["that's acceptable", "can't live", "will die", "hate that"],

            "しかたがない": ["it can't be helped", "can help", "very helpful", "need help"],

            "何とも言えません": ["I can't say", "can speak well", "will tell you", "speaking now"],

            "全くその通りです": ["I completely agree", "totally disagree", "somewhat agree", "no opinion"],

            "どうでもいい": ["I don't care at all", "care deeply", "care a little", "very important"],

            "ぜひいただきます": ["yes, please", "hate it", "don't want", "mind a lot"],

            "鳥肌が立った": ["got chills", "goose attacked", "smooth skin", "bird bumps"],

            "もう行かなきゃ": ["have to leave", "must stay", "running race", "sitting down"],

            "緊張で胃がキリキリする": ["nervous feeling", "butterflies died", "hungry", "stomach ache"],

            "わかります": ["I understand", "deaf", "can't hear", "loud noise"],

            "本気です": ["I'm serious", "just joking", "don't mean it", "meaningless"],

            "そんなに甘くないよ": ["I'm not naive", "born today", "very young", "inexperienced"],

            "決心がつきました": ["I've decided", "still thinking", "can't decide", "confused mind"],

            "よろしく頼みます": ["counting on you", "won't rely on you", "counting numbers", "mathematics"],

            "すぐ戻ります": ["be back soon", "leaving forever", "turn left", "going far"],

            "きっとそうでしょう": ["probably so", "definitely not", "won't bet", "impossible"],

            "やってみます": ["I'll try", "won't attempt", "shooting guns", "giving up"],

            "うまくいくことを祈ってます": ["hoping for success", "crossing fingers literally", "bad luck", "don't care"],

            "お繋ぎします": ["I'll connect you", "disconnect now", "pushing through", "hanging up"],

            "大切にします": ["will cherish it", "throw away", "bury treasure", "hate it"],

            "しっかり聞いてますよ": ["listening carefully", "deaf", "ears everywhere", "not listening"],

            "準備できました": ["ready to go", "not ready", "still preparing", "never ready"],

            "上器用なんです": ["I'm clumsy", "very skilled", "many thumbs", "no fingers"],

            "いつも忙しいんです": ["always busy", "never moving", "very lazy", "plenty of time"],

            "お金がないんです": ["have no money", "very rich", "broken things", "millionaire"],

            "気分じゃない": ["not feeling like it", "very excited", "happy mood", "eager to do"],

            "確信しています": ["I'm certain", "very negative", "unsure", "doubtful"],

            "疲れ切っています": ["completely exhausted", "full of energy", "spent money", "very rich"],

            "一言で言えば": ["in brief", "in a shell", "long explanation", "many words"],

            "〜を称えて": ["in tribute to", "dishonoring", "despite", "against"],

            "〜にもかかわらず": ["despite", "because of", "supporting", "helping"],

            "そもそも": ["to begin with", "last place", "in second place", "at the end"],

            "長い目で見れば": ["eventually", "right now", "never", "short term"],

            "むだに": ["uselessly", "very useful", "successfully", "effectively"],

            "ざまあみろ": ["serves you right", "in my face", "behind you", "congratulations"],

            "まさか": ["impossible", "definitely", "certainly", "obviously"],

            "場合によります": ["it varies", "never depends", "always same", "independent"],

            "もう関係ない": ["no longer relevant", "very important", "still matters", "always mattered"],

            "覆水盆に返らず": ["can't undo what's done", "milk is useful", "cry more", "clean up"],

            "自業自得だ": ["you deserved it", "served food", "undeserved", "bad service"],

            "すっかり忘れていた": ["completely forgot", "slipped and fell", "remembered well", "in my mind"],

            "決まり": ["agreed", "no deal", "bad deal", "still negotiating"],

            "さっぱりわからない": ["completely incomprehensible", "speak Greek", "understand perfectly", "partially clear"],

            "久しぶり": ["long time no see", "just saw you", "see you later", "first meeting"],

            "イライラする": ["it's annoying", "calming nerves", "very relaxing", "getting better"],

            "もう決まったようなもの": ["it's certain", "in a bag", "very uncertain", "might fail"],

            "（雨などが）やんできた": ["it's stopping (rain)", "getting worse", "starting now", "letting go"],

            "私が悪い": ["my mistake", "your fault", "nobody's fault", "everyone's fault"],

            "私がおごります": ["I'll pay", "you pay", "split bill", "free meal"],

            "大したことない": ["not important", "huge deal", "very serious", "major issue"],

            "あなたには関係ない": ["not your concern", "your business", "very involved", "please interfere"],

            "私の好みではない": ["not my preference", "love tea", "my favorite", "drink tea"],

            "ついていない日だ": ["unlucky day", "best day ever", "my birthday", "lucky day"],

            "今しかない": ["now is the only chance", "many chances", "can wait", "tomorrow better"],

            "喉まで出かかっている": ["almost remember", "tongue tip pain", "can speak clearly", "swallowed it"],

            "まだ決まっていない": ["still undecided", "on the ground", "decided already", "very certain"],

            "あなた次第です": ["your decision", "my decision", "nobody decides", "already decided"],

            "もうたくさんだ": ["fed up", "want more", "just started", "very hungry"],

            "ガソリンが切れた": ["out of fuel", "bought gas", "running well", "full tank"],

            "単なる勘": ["just intuition", "careful analysis", "proven fact", "scientific method"],

            "ちょっと待って": ["wait a moment", "wait forever", "don't wait", "hurry up"],

            "手ぶらでどうぞ": ["come empty-handed", "bring gifts", "bring everything", "stay away"],

            "念のため": ["just to be safe", "definitely needed", "not necessary", "very risky"],

            "見張る": ["watch carefully", "close eyes", "look away", "ignore"],

            "頑張って続けて": ["continue trying", "give up now", "stop immediately", "take break"],

            "連絡を取り合おう": ["let's stay in contact", "lose touch", "never call", "forget each other"],

            "秘密にして": ["keep it secret", "tell everyone", "share widely", "broadcast it"],

            "その調子": ["keep going", "stop now", "go down", "change direction"],

            "約束を守る": ["honor promise", "break promise", "forget words", "lie always"],

            "おつりはいりません": ["keep the change", "need change", "no money", "exact amount"],

            "記録をつける": ["maintain records", "lose track", "stop recording", "delete data"],

            "その調子で": ["continue the good work", "work badly", "stop working", "change methods"],

            "一石二鳥": ["achieve two things at once", "kill animals", "throw stones", "miss both"],

            "縁起担ぎで": ["for good luck", "hit wood", "bad luck", "no superstition"],

            "〜するほど愚かではない": ["too smart to do that", "very stupid", "don't know", "will do it"],

            "知識は力なり": ["knowledge empowers", "ignorance is strength", "power corrupts", "knowledge weakens"],

            "最後の一押し・決定打": ["final trigger", "first straw", "more straws", "strong straw"],

            "笑いは百薬の長": ["laughter heals", "medicine funny", "crying heals", "serious cure"],

            "私に任せて": ["I'll handle it", "you do it", "nobody does it", "leave it alone"],

            "放っておいて": ["leave me alone", "stay with me", "come closer", "help me"],

            "〜はおろか": ["not to mention", "only this", "especially this", "together with"],

            "過ぎたことは水に流そう": ["forget the past", "remember forever", "repeat history", "bygones return"],

            "一晩考えさせて": ["let me think overnight", "decide now", "never sleep", "wake me up"],

            "秘密を漏らす": ["reveal secrets", "cats escape", "keep secrets", "bag cats"],

            "意見の相違は認めましょう": ["accept different opinions", "must agree", "fight forever", "same opinion"],

            "今日はここまでにしましょう": ["let's stop for today", "continue forever", "just started", "work all night"],

            "本題に入りましょう": ["let's focus on main topic", "avoid business", "casual talk only", "get distracted"],

            "割り勘にしましょう": ["share the cost", "I pay all", "you pay all", "free meal"],

            "蛙の子は蛙": ["children resemble parents", "fathers unlike sons", "no similarities", "adoption common"],

            "そっくり": ["exactly alike", "very different", "pod vegetables", "single pea"],

            "久しぶり": ["haven't seen you in a while", "see you daily", "first meeting", "goodbye forever"],

            "跳ぶ前に見よ（慎重に）": ["think before acting", "jump immediately", "never look", "always leap"],

            "見失う": ["lose track of", "find easily", "track well", "follow closely"],

            "要するに": ["in summary", "long detailed story", "beginning story", "endless tale"],

            "〜で間に合わせる": ["manage with what's available", "need perfection", "can't manage", "make new things"],

            "収支を合わせる": ["balance finances", "overspend", "separate ends", "lose money"],

            "習慣にする": ["make it a habit", "break rules", "do randomly", "avoid routine"],

            "理解する": ["understand", "confuse more", "make nonsense", "misunderstand"],

            "最大限活用する": ["use fully", "waste opportunity", "use minimally", "destroy it"],

            "埋め合わせる": ["compensate", "make worse", "ignore problem", "create debt"],

            "決めて": ["make a decision", "stay confused", "change mind constantly", "avoid deciding"],

            "波風を立てる": ["cause trouble", "calm waters", "sail smoothly", "make peace"],

            "余計な口出しするな": ["don't interfere", "please help", "get involved", "your business too"],

            "機会を逃す": ["miss opportunity", "catch boat", "sail away", "perfect timing"],

            "たぶん": ["probably", "definitely not", "impossible", "certainly not"],

            "秘密は守ります": ["won't tell anyone", "lips open", "tell everyone", "broadcast secrets"],

            "よだれが出そう": ["looks delicious", "mouth dry", "not hungry", "disgusting food"],

            "どういたしまして": ["you're welcome", "my displeasure", "very annoyed", "don't thank me"],

            "気にしないで": ["don't worry", "always mind", "very important", "keep thinking"],

            "今日できることは明日まで延ばすな": ["don't procrastinate", "always delay", "tomorrow better", "never do today"],

            "間違いない": ["absolutely certain", "very doubtful", "maybe", "probably wrong"],

            "悪気はありません": ["no harm intended", "want to offend", "very offensive", "hurt intended"],

            "虎穴に入らずんば虎子を得ず": ["no risk no reward", "avoid pain", "gain without effort", "pain brings loss"],

            "楽しいことではない": ["not enjoyable", "picnic fun", "very pleasant", "outdoor party"],

            "簡単だよ": ["it's easy", "very difficult", "sweating hard", "impossible task"],

            "ありえない": ["impossible", "definitely yes", "very likely", "certain"],

            "考えるまでもないこと": ["obvious decision", "needs thought", "complex problem", "puzzling issue"],

            "またか": ["not again", "first time", "please repeat", "one more time"],

            "そうでもない": ["not really", "absolutely yes", "very true", "definitely"],

            "〜にすぎない": ["only/merely", "everything except", "more than", "very important"],

            "特に何も": ["nothing special", "very much", "everything", "something big"],

            "時々": ["occasionally", "always", "never", "constantly"],

            "で、どうする？": ["what now?", "did what?", "when?", "finished"],

            "〜を代表して": ["representing", "against", "personally", "opposing"],

            "有頂天": ["extremely happy", "underground", "cloudy weather", "very sad"],

            "考え直してみると": ["after reconsideration", "first thought", "never thinking", "same opinion"],

            "機転が利く": ["quick-witted", "playing sports", "slow thinking", "ball game"],

            "決めかねている": ["undecided", "over fence", "decided firmly", "jumping fence"],

            "〜の瀬戸際": ["on the brink of", "center of", "far from", "safe from"],

            "めったに〜ない": ["very rarely", "blue moon nightly", "very often", "always"],

            "一生に一度の": ["once in a lifetime", "daily occurrence", "twice lifetime", "never happens"],

            "時々": ["sometimes", "always", "never", "constantly"],

            "おっと": ["oops", "hello", "goodbye", "on purpose"],

            "故障中": ["not working", "organized well", "working perfectly", "new condition"],

            "去る者は日々に疎し": ["forgotten when gone", "always visible", "remembered forever", "in sight"],

            "突然": ["suddenly", "gradually", "expected", "planned"],

            "論外": ["absolutely not", "good question", "definitely yes", "worth considering"],

            "盛りを過ぎた": ["past prime", "climbing hill", "young and fresh", "at peak"],

            "有頂天": ["extremely happy", "under moon", "very sad", "on ground"],

            "その場の状況で決めよう": ["decide based on situation", "plan everything", "use ears only", "play music"],

            "継続は力なり": ["practice improves skills", "perfection exists", "practice useless", "born perfect"],

            "〜を条件として": ["on condition that", "unconditionally", "never", "always"],

            "からかう": ["tease/joke", "help walk", "pull legs off", "serious talk"],

            "脇に置く": ["set aside", "put in center", "throw away", "use immediately"],

            "土砂降り": ["heavy rain", "pet weather", "sunny day", "light drizzle"],

            "行間を読む": ["understand hidden meaning", "read spaces", "literal reading", "skip lines"],

            "起きて": ["wake up", "sleep more", "sunset time", "stay in bed"],

            "波風を立てる": ["cause trouble", "sail smoothly", "steady boat", "calm waters"],

            "ローマは一日にして成らず": ["great things take time", "build quickly", "Rome built fast", "instant success"],

            "経験則": ["practical guideline", "thumb measurement", "strict law", "finger rule"],

            "もういいって言ってね": ["tell me when to stop", "say when possible", "never speak", "always continue"],

            "意見が一致する": ["agree", "fight", "blind together", "oppose"],

            "また会いましょう": ["see you later", "look around", "never meet again", "meeting now"],

            "飛ぶように売れる": ["sell very quickly", "bake cakes", "sell slowly", "unsold items"],

            "恥を知りなさい": ["you should be ashamed", "no shame", "be proud", "shameless good"],

            "暗い過去の秘密": ["hidden past secret", "closet bones", "open secret", "public knowledge"],

            "今のところ順調": ["going well so far", "completely failed", "just started badly", "finished poorly"],

            "噂をすれば影": ["speak of someone and they appear", "devil talk", "ghost stories", "never appears"],

            "秘密を漏らす": ["reveal secrets", "cook beans", "keep quiet", "store beans"],

            "そばにいて": ["stay nearby", "go away", "stick objects", "leave now"],

            "鉄は熱いうちに打て": ["act while opportunity exists", "wait forever", "cold iron better", "never strike"],

            "好きにして": ["do as you please", "wear suits", "don't do it", "follow rules"],

            "当ててみて": ["try to guess", "take things", "give answer", "know already"],

            "利用する": ["make use of", "disadvantage others", "avoid using", "waste opportunity"],

            "のんびりして": ["relax", "hurry up", "work hard", "stress out"],

            "〜を当然のことと考える": ["assume something", "question everything", "granite rocks", "doubt always"],

            "交代で行う": ["alternate", "all together", "never turn", "same person"],

            "ゆっくりどうぞ": ["no rush", "hurry up", "time's up", "rush now"],

            "私にも分かるよ": ["I understand/relate", "tell me more", "don't understand", "explain to me"],

            "もうたくさんだ": ["that's the last straw", "want more", "just beginning", "continue please"],

            "なるほど": ["that makes sense", "very confusing", "doesn't explain", "still puzzled"],

            "予想通りだ": ["as expected", "surprising", "can't figure out", "unexpected"],

            "それは理にかなってる": ["that's logical", "senseless", "confusing logic", "no sense"],

            "そう言えば": ["that reminds me", "forgot everything", "unrelated topic", "nothing remembered"],

            "そう、そういうこと": ["exactly what I mean", "wrong topic", "not discussing", "different subject"],

            "あなたの番です": ["your turn to act", "my ball", "game over", "spectator only"],

            "早起きは三文の得": ["early rising brings benefits", "birds eat worms", "sleep late better", "worms escape"],

            "誰もが知っているが触れたくない問題": ["obvious problem everyone ignores", "zoo elephant", "small issue", "unknown problem"],

            "隣の芝生は青く見える": ["others seem better off", "grass color varies", "my side better", "same everywhere"],

            "ペンは剣よりも強し": ["words more powerful than violence", "swords win", "pens break", "weapons better"],

            "可能性は無限大": ["unlimited potential", "low ceiling", "grounded reality", "no possibilities"],

            "早ければ早いほど良い": ["earlier is better", "delay preferred", "timing irrelevant", "later better"],

            "完全に・すべて": ["everything/completely", "nine yards only", "partially", "nothing"],

            "またやってる": ["doing it again", "first time", "never did", "stopped doing"],

            "どういたしまして": ["you're welcome", "think everything", "overthink", "important thought"],

            "この話は内緒よ": ["keep this secret", "tell everyone", "public information", "share widely"],

            "これは私がおごります": ["I'll pay for this", "you pay", "nobody pays", "split cost"],

            "諦める": ["give up", "wash towels", "keep trying", "start fresh"],

            "光陰矢の如し": ["time passes quickly", "flying clock", "slow time", "time stops"],

            "時は金なり": ["time is valuable", "money is time", "time worthless", "money unimportant"],

            "時間がなくなってきた": ["running out of time", "plenty of time", "time increasing", "timeless"],

            "さらに悪いことに": ["to make things worse", "improving situation", "staying same", "getting better"],

            "控えめに言っても": ["at the very least", "exaggerating", "maximum statement", "overstatement"],

            "明日は明日の風が吹く": ["tomorrow brings new possibilities", "same forever", "no tomorrow", "yesterday better"],

            "船頭多くして船山に登る": ["too many leaders cause failure", "good cooking", "perfect broth", "one cook enough"],

            "見て見ぬふりをする": ["pretend not to notice", "stare directly", "help immediately", "blind person"],

            "三人寄れば文殊の知恵": ["collaboration brings wisdom", "one head enough", "work alone better", "two maximum"],

            "内密に": ["secretly", "on the table", "publicly", "openly"],

            "体調が悪い": ["feeling sick", "great weather", "feeling wonderful", "perfect health"],

            "激怒して": ["very angry", "hugging", "peaceful", "calm mood"],

            "未定": ["undecided", "underground", "decided", "certain"],

            "気をつけて": ["be careful", "watch TV", "step up", "run fast"],

            "その調子": ["good job", "wrong way", "stop now", "go slower"],

            "その時が来たら考えよう": ["deal with it when it happens", "plan everything now", "build bridges first", "never cross"],

            "よくやった": ["good job", "rarely done", "badly done", "medium rare"],

            "よく言った": ["well put", "speak poorly", "said wrong", "quiet words"],

            "なんという偶然": ["what a coincidence", "planned meeting", "no coincidence", "expected event"],

            "なんて面倒な": ["how troublesome", "very convenient", "easy task", "pleasant surprise"],

            "ほっとした": ["what a relief", "more stress", "still worried", "increased anxiety"],

            "残念": ["that's unfortunate", "shameless", "very fortunate", "proud moment"],

            "どう思う？": ["what's your opinion?", "stop talking", "don't think", "my opinion only"],

            "因果応報": ["what goes around comes around", "nothing returns", "good only returns", "karma fake"],

            "どうしたの？": ["what's happening?", "everything normal", "going away", "coming here"],

            "調子はどう？": ["how are you?", "what's above?", "looking down", "ceiling check"],

            "どうしたの？": ["what's the matter?", "everything right", "all correct", "perfect situation"],

            "郷に入っては郷に従え": ["follow local customs", "change Romans", "ignore customs", "Rome only"],

            "〜に関しては": ["regarding", "avoiding topic", "unrelated to", "despite"],

            "ありえない話": ["impossible scenario", "flying pigs common", "very likely", "happens daily"],

            "意志あるところに道は開ける": ["determination finds solutions", "no will needed", "ways impossible", "give up"],

            "わかりません": ["I don't know", "everybody knows", "I know everything", "certain answer"],

            "なぜそんな悲しそうな顔？": ["why the sad face?", "short face", "happy expression", "face length"],

            "いいんじゃない？": ["sounds good", "definitely not", "terrible idea", "never do that"],

            "〜に関して": ["regarding", "disrespecting", "avoiding", "unrelated"],

            "自業自得": ["you brought it on yourself", "I asked first", "undeserved", "someone else's fault"],

            "もちろん": ["of course", "never bet", "definitely not", "uncertain"],

            "全くその通り": ["absolutely right", "say it once", "completely wrong", "partially correct"],

            "二兎を追う者は一兎をも得ず": ["can't have everything", "eat cake twice", "have both", "easy choice"],

            "当然の報いだ": ["you earned it", "undeserved", "accidental", "unfair result"],

            "まさか": ["really?/no way", "definitely yes", "I said it", "obviously true"],

            "了解": ["understood", "lost it", "don't understand", "confused"],

            "一理ある": ["that's valid", "pointless", "no merit", "wrong angle"],

            "嬉しい": ["that made me happy", "ruined my day", "ordinary day", "sad now"],

            "ねえ、聞いて？": ["hey listen", "stop talking", "don't know", "ignore me"],

            "何でもどうぞ": ["anything you want", "nothing available", "don't name it", "limited options"],

            "わからないものだ": ["you never can tell", "always predictable", "definitely know", "certain outcome"],

            "その通り": ["exactly", "you're wrong", "I didn't say", "opposite true"],

            "そんな気を使わなくても": ["you didn't have to", "must do it", "should have more", "not enough"],

            "私にもわかりません": ["I don't know either", "my guess better", "I know exactly", "certain answer"]

        };


        let score = 0;

        let totalQuestions = 0;

        let currentIdiom = null;

        let correctAnswerIndex = null;

        let answered = false;

        let selectedOption = null;


        function shuffle(array) {

            const newArray = [...array];

            for (let i = newArray.length - 1; i > 0; i--) {

                const j = Math.floor(Math.random() * (i + 1));

                [newArray[i], newArray[j]] = [newArray[j], newArray[i]];

            }

            return newArray;

        }


        function generateOptions(correctMeaning) {

            const meaningKey = Object.keys(meaningToEnglish).find(key => 

                correctMeaning.includes(key) || key.includes(correctMeaning)

            );

            
            if (meaningKey && meaningToEnglish[meaningKey]) {

                return shuffle(meaningToEnglish[meaningKey]);

            }

            
            // フォールバック: ランダムな選択肢を生成

            const allOptions = [

                "make things worse",

                "very easy",

                "be careful", 

                "work hard",

                "give up",

                "exactly right"

            ];

            
            const correct = correctMeaning.split('・')[0];

            const options = [correct];

            
            while (options.length < 4) {

                const randomOption = allOptions[Math.floor(Math.random() * allOptions.length)];

                if (!options.includes(randomOption)) {

                    options.push(randomOption);

                }

            }

            
            return shuffle(options);

        }


        function loadQuestion() {

            // ランダムにイディオムを選択

            currentIdiom = idioms[Math.floor(Math.random() * idioms.length)];

            
            // 選択肢を生成

            const options = generateOptions(currentIdiom.meaning);

            
            // 正解のインデックスを見つける

            const meaningKey = Object.keys(meaningToEnglish).find(key => 

                currentIdiom.meaning.includes(key) || key.includes(currentIdiom.meaning)

            );

            
            if (meaningKey && meaningToEnglish[meaningKey]) {

                correctAnswerIndex = options.findIndex(opt => opt === meaningToEnglish[meaningKey][0]);

            } else {

                correctAnswerIndex = 0; // フォールバック

            }

            
            // UIを更新

            document.getElementById('idiom').textContent = currentIdiom.idiom;

            
            const optionsContainer = document.getElementById('optionsContainer');

            optionsContainer.innerHTML = '';

            
            options.forEach((option, index) => {

                const optionDiv = document.createElement('div');

                optionDiv.className = 'option';

                optionDiv.textContent = option;

                optionDiv.onclick = () => selectOption(index);

                optionsContainer.appendChild(optionDiv);

            });

            
            // リセット

            document.getElementById('result').classList.remove('show');

            document.getElementById('submitBtn').style.display = 'block';

            document.getElementById('submitBtn').disabled = false;

            document.getElementById('nextBtn').style.display = 'none';

            
            answered = false;

            selectedOption = null;

        }


        function selectOption(index) {

            if (answered) return;

            
            selectedOption = index;

            const options = document.querySelectorAll('.option');

            options.forEach((option, i) => {

                option.classList.remove('selected');

                if (i === index) {

                    option.classList.add('selected');

                }

            });

            
            document.getElementById('submitBtn').disabled = false;

        }


        function submitAnswer() {

            if (selectedOption === null || answered) return;

            
            answered = true;

            totalQuestions++;

            
            const options = document.querySelectorAll('.option');

            const resultDiv = document.getElementById('result');

            
            options.forEach((option, index) => {

                option.classList.add('disabled');

                if (index === correctAnswerIndex) {

                    option.classList.add('correct');

                }

                if (index === selectedOption && index !== correctAnswerIndex) {

                    option.classList.add('incorrect');

                }

            });

            
            if (selectedOption === correctAnswerIndex) {

                score++;

                resultDiv.textContent = '正解！';

                resultDiv.className = 'result correct show';

            } else {

                resultDiv.textContent = '上正解...';

                resultDiv.className = 'result incorrect show';

            }

            
            // 日本語の意味を追加

            const meaningDiv = document.createElement('div');

            meaningDiv.className = 'japanese-meaning';

            meaningDiv.textContent = `意味: ${currentIdiom.meaning}`;

            resultDiv.appendChild(meaningDiv);

            
            updateScore();

            
            document.getElementById('submitBtn').style.display = 'none';

            document.getElementById('nextBtn').style.display = 'block';

        }


        function nextQuestion() {

            loadQuestion();

        }


        function updateScore() {

            document.getElementById('score').textContent = `正解数: ${score} / 問題数: ${totalQuestions}`;

        }


        // イベントリスナー

        document.getElementById('submitBtn').onclick = submitAnswer;

        document.getElementById('nextBtn').onclick = nextQuestion;


        // 初期化

        loadQuestion();

    </script>

</body>

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