Don't rub it in.
その話はもう勘弁してくれ
Don't run in (the) school.
校舎内は走るな(◆((略式))ではtheを省略)
Don't rush her into a decision.
彼女に決定を急がせるな
Don't sauce me!
その口のきき方は何だ
Don't smoke those filthy things.
(喫煙者に向かって)そんなけがらわしいものを吸うなよ
Don't speak aloud in the theater.
劇場内では大きな声で話してはいけない
Don't start any trouble.
騒ぎを起こさないで
Don't start yet.
まだ始めるな
Don't stay outside in the cold.
寒い中を外にいてはいけません
Don't strain yourself!
無理するな