生活中，难免有犯傻的时候，遇到犯傻的人，怎么用英文提醒他，马上来学！

Shame on you!

你真丢人！

Stop acting like a fool.

别傻了。

Think about where you are.

请注意场合。

You shouldn't act like a child.

别像个孩子似的。

Don't make such stupid mistakes again!

别再犯这种愚蠢的错误了。

Don't be silly. He's just not that into you.

别傻了，他只是没那么爱你。