show up 可以替换成:露面;露出;揭露show oneself/reveal/discloseshow up露面;露出;揭露双语例句:We waited until five o'clock, but he did notshow up.我们一直等到5点,但他却没有露面。I had to stand in for her on Tuesday when she didn'tshow up.星期二那天她没露面,我只好代替她。