You can whistle for it.
((英略式))それは無理だね
You can't be serious!
((略式))冗談だろ
You can't judge a book by its cover.
((諺))人はうわべだけでは判断できない
You can't lose.
((略式))どうしたって君の得だよ
You can't teach an old dog new tricks.
((諺))老人に新しい考え方を教えるのは不可能だ
You can't win.
((略式))なかなかうまくいかないものだ，加減がむずかしい
You [One] could cut the air [the atmosphere, it] with a knife.
非常に重々しい［険悪な］雰囲気だ
You don't know the half of it.
君はまだ半分もわかっていない
You don't say!
((略式))1 （相手の発言に驚いて）本当ですか，まさか2 ((皮肉))（驚きもせず）へぇ，そうなんだ
You don't want to be involved with the law, do you?
警察の世話にはなりたくないだろう
