Don't interfere with my work.
仕事のじゃまをしないでくれ
Don't interpret his silence as consent.
彼が黙っているからといって賛成と思ってはいけない
Don't intrude on my space.
人の私的領域に踏み込むな
Don't [Never] judge a book by its cover.
本を表紙で判断してはいけない;(人を)見かけで判断してはいけない
Don't just stand there, do something.
突っ立ってないで何とかしろ
Don't just stand there, man!
おい,突っ立ってんじゃねえよ
Don't keep [hold, leave] me in suspense.
気をもたせないでよ
Don't keep us suspended in the middle of the joke.
冗談を途中で止めないで
Don't knock it till you've tried it.
試しもしないでけちをつけるな
Don't laugh at me!
ばかにして笑うな