swear to

swear to の類語

notarize, authenticate, undersign, subscribe to, rubber stamp, certify, sign and seal, say amen to, pass upon, give thumbs up, swear and affirm, underwrite, affirm, permit, endorse, give the imprimatur, initial, countersign, cosign, authorize, ratify, validate, give the go-ahead, give permission, approve, accredit, confirm, second, warrant, ok, pass on, accept, guarantee, attest, sanction, assure, vow, swear, support, indorse, sign, vouch, visa, seal, amen, testify, swear to goodness, swear to god, swear by bell, kiss the book, assert under oath, vise, swear the truth, and candle, pass, autograph, depose, book, depone

例文

• I'm not lying. I swear to God!
  天地神明に誓って嘘ではありません。
• You must swear to keep your promise.
  約束を守ることを誓わなければいけない。
• When they got married, they both swore to never lie.
  彼らが結婚した時、２人は互いに決して嘘をつかないと約束した。

swear to の言い換えを探すには

swear to（）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。