laugh at sb嘲笑某人.
laugh something off对某物一笑了之.
be laughing（非正式）走运：If next year's model is as successful, Ford will be laughing.如果明年的车型一样成功,福特就走运了.
a laugh笑柄：That's a laugh, the idea of you cooking a meal!你要做饭,这想法真是笑话!
a good laugh有趣的人：I like Peter--he's a good laugh.我喜欢彼得,他很有趣.
have the last laugh笑到最后,最后得到证明
he who laughs last laughs longest谁笑到最后,谁笑得最好.
laugh one's head off大笑,狂笑不已
laugh in one's face当某人的面嘲笑
the laugh is on me我成了笑柄
|augh on the other side of one's face转喜为悲.
laugh up one's sleeve窃喜,暗笑
no laughing matter不是玩笑事
再问： 用法呢
