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。