英 [ˈlɑːfɪŋ] 美 [ˈlæfɪŋ]
adj. 可笑的；高兴的；带笑的
n. 笑；笑声
v. 笑；幸运（非正式）；处于有利地位（laugh 的现在分词）[1]
柯林斯英汉双解大词典
laugh /lɑːf/ CET4 TEM4 ( laughing, laughed, laughs )
1.V-T/V-I When you laugh, you make a sound with your throat while smiling and show that you are happy or amused. People also sometimes laugh when they feel nervous or are being unfriendly. 笑
2.N-COUNT Laugh is also a noun. 笑
3.V-I If people laugh at someone or something, they mock them or make jokes about them. 嘲笑
4.PHRASE If you do something for a laugh or for laughs, you do it as a joke or for fun. 为了开玩笑
5.PHRASE If you describe a situation as a laugh or a good laugh, you think that it is fun and do not take it too seriously. 有趣的事 [非正式]
6.laugh one's head off →see head[1]
laughing matter 无关紧要的事；好笑的事
laughing stock 笑柄
laughing gas [化]笑气；一氧化氮
Laughing Dove 棕斑鸠
laughing owl 笑鸮
Laughing Kookaburra 笑翠鸟 ; 澳翠鸟