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wipe the smile off sb's face

to make someone feel less happy or confident, especially someone who is annoying you because they think they are very clever

让(某人)不再得意(或高兴)

Tell him you saw Helena at the cinema with another guy - that should wipe the smile off his face!

告诉他，你在电影院里看见海伦娜和另外一个家伙在一起——这样他就不会再那么洋洋得意了!