单词 却露 例句 DEFINITIVE EXAMPLES 权威例句〔bluff〕He tried to bluff his way through another test and failed it.他试图再次在考试中蒙混过关,但却露馅了。柯林斯高阶〔origin〕She tries to hide her upper-class origins, but her accent gives her away.她想掩盖...