You don't need to know it exactly.
それを正確に知っている必要はない
You don't say so.
(驚いて)そうかい;まさか,冗談でしょう
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
You don't want to be late.
遅刻に注意
You fiend!
この野郎
You gave me such a fright!
びっくりさせないでよ!
You get a lot of young people in this town.
この町には若者がたくさんいる
You got it!
そのとおり
You greedy pig!
この食いしん坊!
You had better not be late tomorrow.
あすは遅刻してはいけない