show off 炫耀，卖弄

She likes to show off her fine clothes on the Internet.

她喜欢在网上晒她那些精致的衣服。

Hey, I know you have a girlfriend, but there's no need to show off all the time.

我知道你有女朋友，但也不要天天秀恩爱好吧！

疯狂练习吧！