Don't expect too much of [from] your sons.
息子たちに期待をかけ過ぎるな
Don't fail to call me when you arrive.
着いたら必ず電話しなさい
Don't forget to add me in.
忘れないで私を加えてくれよ
Don't forget to note down your ID number and password.
ＩＤ番号とパスワードをメモするのを忘れずに
Don't forget to pay your rent.
家賃の支払いをお忘れなく
Don't fret about [over] it.
くよくよするな
Don't gamble on the future.
未来は当てにするな
Don't get cute with me.
人をなめるな
Don't get [be] fresh with me!
（生意気な目下の人に）いい加減にしろ；（女性が言い寄る男性に）なれなれしくしないでよ
Don't get funny with me!
生意気な口をきくな
