vi(出声地)笑(make sounds with the voice in showing happiness，amusement，scorn，etc)[I]：～derisively/foolishly/good-humouredly/maliciously/lightly/merrily 嘲/傻/愉快地/不怀好意地/轻松地/欢快地笑;～aloud in the fullness of one's content 心满意足地放声大笑;It's not a matter to～about. 这不是一件好笑的事。～over a letter 一边看信一边笑;～under one's breath 不出声地笑;L～，and the world will～with you. 你如果乐观，世界也会陪你欢笑。He～s best who～s last.(prov) 谁笑在最后，谁笑得最好。

laugh at (v prep) 1)嘲笑(vt)：He was～ed at by his friends. 他受到朋友们的嘲笑。2)因……发笑(vi)：They～ed at my story. 听了我的故事他们都笑了。3)对……一笑置之(vi)：～at danger/difficulties/enemy's threats 对危险/困难/敌人的恐吓一笑置之;

laugh away (v adv) 以笑消除(vt)：He～ed away my fears. 他那一笑消除了我的恐惧。

laugh down (v adv) 以轻蔑的笑使之讲不下去，以笑来拒绝(vt)：～down a speaker/a proposal 以轻蔑的笑使演讲者说不下去/拒绝一项建议;

laugh in sb's face 当面嘲笑：When I asked him for longer time to pay back the loan，he just～ed in my face. 当我请求他延长还款时间时，他竟当面嘲笑我。

laugh off (v adv)对……付之一笑：(vt)(infml)：～off an embarrassing situation/one's pain/a mistake 对尴尬的处境/痛苦/错误一笑了之;

laugh on (out of)the other side of one's face (mouth) 转喜为忧(infml)：L～as much as you like. I've got some news here that will make you～on the other side of your face!你尽管笑好了，可我有叫你哭的消息!

laugh one's head off 放声大笑：As he picked himself up from the floor，he saw a couple of boys～ing their heads off.他从地板上爬起来时看到两个男孩在放声大笑。

laugh sb out of sth 使发笑而忘记：She was very much worried about getting seasick，but her fellow-travellers～ed her out of it. 她很担心会晕船，但是旅伴们同她说说笑笑，使她忘了晕船的事。

laugh sb/sth out of court 对某人/事一笑置之(infml)：Their flimsy arguments were～ed out of court. 人们对他们站不住脚的论点一笑置之。

laugh up one's sleeve 偷偷地笑(infml)：We had a feeling that he was～ing up his sleeves at us. 我们感觉他在偷偷地笑我们。

→′laughable adj 可笑的;′laughably adv 可笑地;′laughing adj(带)笑的;′laughingly adv 好(可)笑地;′laughing-stock n 笑柄;′laughter n 笑(声);

n (1)笑(声)(act or sound of laughing)[C]：let out/break into/give a～笑出来/突然笑起来/笑;bring/cause/provoke a～带来/引起/引起一阵笑声;She laughed a hearty～. 她开怀大笑。The joke raised a good～. 那笑话引起一阵哄堂大笑。suppress a～强忍不笑;a belly/cackling/foolish/forced/sardonic/smothered～捧腹大/咯咯的/傻/强装的/冷/强忍住笑; an infectious～ 有感染力的笑;have the last～获得最后的胜利;do sth simply for～s 纯粹为了娱乐而做某事;They all joined in the～. 他们都随着笑了起来。He answered with a～. 他笑着回答。

(2)令人发笑的事或人(amusing thing or person)[C]：The funny book has a～on every page. 这本有趣的书每页都有笑料。He is a real～. 他真是个活宝。