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！

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