阿里上市前
1.crack a smile 微笑；莞尔一笑
例I was telling my jokes to her, but Susan never cracked a smile.
我当时在和她说笑话，但她怎么都不笑。
2.smile from ear to ear 高兴大笑得合不拢嘴
例 She was smiling from ear to ear as she accepted the prize.
她获奖的时候开心得高兴地笑了起来。
3.be all smiles 笑容满面
例 She spent the whole of yesterday shouting at people and yet this morning she’s all smiles.
她昨天一天都在和别人大吵大叫的，今早却笑容满面。
4.force a smile 强颜欢笑
例 He forced a smile in the face of such embarrassing situation.
面对如此尴尬的局面，他只好厚着脸皮强颜欢笑。
5.smile away 一笑置之
例 She just smiled away whenever sheheard of rumors about her and another actor.
她每次听到自己和另外一位男演员的谣言之时，只是一笑置之。
6.beam with smile 笑容满面
例 The old man beamed with smile just like a little kid in front of a candy store.
这位老人喜笑颜开，就像个站在糖果店前的小孩似的。
7.a hearty smile 会心一笑；开怀大笑
例 A hearty smile always attracts people.
会心的、由衷的一笑总能吸引到别人的注意。
8、smirk 幸灾乐祸地笑
Two men standing nearby looked at me， nudged each other and smirked。
站在旁边的两个男人看着我，互相用胳膊肘轻碰对方，幸灾乐祸地笑着。
9、 chuckle 轻声地笑
The banker chuckled and said， “Of course not。”
银行家轻声笑了笑，说道，“当然不。”
10、 titter 窃笑
There was nervous tittering in the studio audience。
演播室观众席中传来紧张的窃笑声。
头发长很慢
微笑 - smile【释义】The corners of your mouth move outwards and slightly upwards。嘴角向外运动并轻微向上扬起。【例句】Her smile makes her even more beautiful。她的微笑使她更美丽了。大笑 - laugh【释义】To make a noise to show one's amusement and happiness. You can laugh at a joke or at an amusing sight. You can laugh at someone without being amused. 发出声音以表现出愉快的情绪。听到笑话或看到有趣的场景人会大笑。即使没有逗趣的事情人也能大笑。【例句】Laugh, and the world laughs with you; weep, and you weep alone。你笑，世界也会跟着你一起笑。你哭，却只能独自一人。露齿而笑 - grin报关员考试【释义】 To smile with the teeth. 露出牙齿地微笑。【例句】People who confess to feeling happy also grin more than others。承认感觉幸福的人们也会比别人更喜欢咧着嘴笑。轻声地笑 - chuckle【释义】To laugh quietly. 不发出声音地静静地笑着。【例句】She was roused by a chuckle which Mr. Dorset seemed to eject from the depths of his lean throat。多森先生从他那瘦弱的喉咙深处迸出一阵笑声，把她吓了一跳。咯咯笑 - giggle【释义】To laugh repeatedly foolishly and uncontrollably, esp. by girls. 无法控制地不断傻笑，通常用来形容女孩。【例句】There was silence for a moment, then a giggle. 沉默了片刻之后，有人在吃吃地笑。坏笑 - snicker【释义】 To laugh in a disrespectful more or less secret way. 偷偷地略带鄙夷地笑。【例句】The shuffle and snicker become the comedian's trademark。搅和与窃笑成为那个戏剧演员的标志。假笑 痴笑 - simper【释义】To smile in a silly unnatural way. 不自然地傻笑。【例句】I'll tell you, Scarlett O'Hara, if you'll take that Southern belle simper off your face。我会告诉你的，斯佳丽·奥哈拉，只要你脸上别带着那种南方美人儿的傻笑。
慧心永梅
其实都是可以的，语境不同。设想一下——1. B失恋了，强颜欢笑。A:Are you OK?B:Yeah, I am really happy. 当然啦，我很开心。（善意的谎言，使A不担心)2. A带B出去玩，玩得很HighB: I am really happy. 我真的好开心。 （表示强调，让A知道自己的心情） I am very happy. 我好开心。 （也可以用，可能强调程度没有上一句强）
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