Don't be familiar with me.
なれなれしくしないで
Don't be foolish!
ばかなことをするな［言うな］
Don't be frightened to speak up.
臆せず発言してください
Don't be funny.
おちゃらかすな；もっとまじめにやれ
Don't be impatient with the children.
子どもに短気を起こしてはいけない
Don't be late or you'll be left behind.
急がないと置いて行かれるぞ
Don't be long.
ぐずぐずするな
Don't be loud or you will be kicked out!
静かにしないと放り出すぞ
Don't be mean to me.
意地悪しないで
Don't be misled by appearances.
外見に迷わされるな
