fall flat

滑る、興ざめる、倒れ伏す、すっ転ぶ

fall flat の類語

fall, fall over, take a fall, fall down, flop, topple, collapse, founder, fall through, fall prostrate, tumble, list, trip, stumble, take a spill, pitch, sprawl, take a flop, come to nothing, flounder, fall in, break down, spread-eagle, fall short, peter out, fall dead, topple down, capsize, tilt, fall headlong, get a cropper, come a cropper, get hung up, spread eagle, fail, bomb, crash, turn turtle, take a header, take a pratfall, poop out, stagger, lurch, get bogged down, topple over, go up in smoke, get mired, totter, wear thin, fizzle out, careen, go to smash, spin, come to naught, fall stillborn, wash out, flunk

例文

• I like to perform magic tricks for kids, but they sometimes fall flat.
  わたしは子供たちに手品して見せてやるのが好きなんですが、ときどき失敗してしまうんです。

fall flat の言い換えを探すには

fall flat（滑る）の類語・言い換え（パラフレーズ）を、日本語訳つきで関連度順に並べています。英作文の語彙を増やしたいとき、長文読解で本文と選択肢の言い換えを見抜きたいときに使えます。