讲解文本：
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！
