Don't make a fool of yourself. 别丢人现眼了!
如果有人行为乖张，屡屡引人侧目，大家就会齐声讨伐说：“别在这儿丢人现眼了！”

例句：

1.Don't go and make a fool of yourself.
别去干蠢事。

2.If you go to the wedding in this dress, you will make a fool of yourself.
你要是穿这身衣服去参加婚礼, 你会出丑的.