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to make the noise with your voice that shows you think something is funny 笑;发笑 laugh at : The audience didn't laugh at his jokes. 观众们没觉得他的笑话好笑。
laugh about : They were still laughing about the experience years later. 多年以后,他们仍对那段经历感到好笑。
burst out laughing (=start laughing suddenly) 突然笑起来 : She burst out laughing when she saw what he was wearing. 她看到他的穿着打扮后突然大笑起来。
Synonyms and related words