笑的不同方式
单词：
*cackle 意为讨厌地嘎嘎大笑，尤指高声笑。如：
They all cackled with delight.
他们都高兴得嘎嘎地笑。
*chuckle 意为轻声笑，尤指想到滑稽事时发笑。如：
She chuckled at the memory.
想起这件事她暗自发笑。
*giggle 意为开心、难堪或紧张时发笑。如：
The girls giggled at the joke.
女孩子们让这笑话逗得咯咯笑。
*guffaw 意为哄笑、狂笑、大笑。如：
They all guffawed at his jokes.
他们听了他的笑话都一阵狂笑。
*roar 意为放声大笑，常用为roar with laughter。如：
He looked so funny, we all roared with laughter.
他看上去那么滑稽，我们都哈哈大笑。
*snigger/snicker 意为窃笑、暗笑，尤指对无礼行为或因他人的问题或错误发笑。如：
What are you sniggering at?
你偷偷笑什么呢？
*titter 意为窃笑，尤指紧张或尴尬地笑。如：
That’s enough of your titters, girls!
姑娘们，别再傻笑了！
词组：
1. crack a smile 展颜微笑，莞尔一笑
The man was willing to do anything to make his wife crack a smile. (为了让他的妻子展颜微笑，他愿意做任何事情。)
2. laugh a hearty laugh/laugh heartily 放声大笑，开怀大笑
Upon hearing that he had won the lottery, the man laughed heartily. (知道自己中奖了，这个男人开怀大笑。)
3. force a smile 强作欢颜
At the funeral, he forced a smile for anyone who offered condolences. (在葬礼上，他强颜欢笑面对前来吊唁的人。)
4. a saccharine smile 谄笑，谄媚的笑
When he talks to his boss, he puts on a saccharine smile. (他跟老板说话的时候，满脸都是谄媚的假笑。)
5. smile bitterly 苦笑
The student smiled bitterly when his teacher caught him copying his homework. (抄作业被老师抓到后，这个学生满脸苦笑。)
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