to show off one's cleverness
用不着你卖乖，照我的话办吧。
There's no need for you to show off, just do as I say.
这人得了便宜还卖乖。
He not only got a bargain, but he's boasting about it too.
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。