you would never guess
((略式))（…だとは）夢にも思わないだろう≪that節≫
You wouldn't dare!
君にはとてもやれまい
You'd better believe it.
〔間投詞的に〕((略式))本当に，疑いなく，きっと
You'd better leave now, or else you'll miss your plane.
もう出発しなさい，でないと飛行機に乗り遅れますよ
You'd better pull up a bit.
少し休んだほうがよい
You'd ought to think twice before you talk about murder like that.
そんなに簡単に人殺しの話なんかするもんじゃない．
You'll be [You should be so] lucky!
((略式))そうそううまくいくかね，虫のいい話だな
You'll find this style of blind in offices.
この型のブラインドはオフィスに見られる［よくある］
You'll gradually move from “Me” to “We”, and that's what marriage is about.
「私」から次第に「私たち」に変わっていくのが夫婦というものだ
You'll have to drop by (at) my house.
そのうちぜひ私の家に寄ってください
