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crack up

资料来源 : pyDict

毁坏,撞坏;垮掉,衰退

资料来源 : WordNet®

crack up
     v 1: suffer a nervous breakdown [syn: {crack}, {crock up}, {break
          up}, {collapse}]
     2: rhapsodize about
     3: laugh unrestrainedly [syn: {break up}]
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