chortle, n./v. laugh in a way that shows you are very pleased, 开心地笑

　　例句：There was silence for a moment, then Larry began chortling like an idiot.

　　翻译：一片寂静之后，拉里开始像个白痴一样哈哈大笑。

　　2. chuckle ['t??k?l]

　　chuckle, n./v. a soft partly suppressed laugh ;laugh quietly or with restraint，轻声笑

　　例句：He gave a little chuckle.

　　翻译：他轻声一笑。

　　3. guffaw [g?'f??]

　　guffaw, n./v. a very loud laugh；laugh loudly，哄笑，大笑

　　例句：As they guffawed loudly, the ticket collector arrived.

　　翻译：正当他们哈哈大笑时，检票员来了。

　　4. simper ['s?mp?]

　　simper, n./v. a silly self-conscious smile；smile affectedly or derisively, 傻笑，假笑

　　例句：The maid lowered her chin and simpered.

　　翻译：侍女低头傻笑了一下。

　　5. smirk [sm??k]

　　smirk, n./v. to smile in an affected or smug manner； smile affectedly or derisively, 傻笑，得意地笑，幸灾乐祸地笑

　　例句：Two men standing nearby looked at me, nudged each other and smirked.

　　翻译：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。

　　6. snigger ['sn?g?]

　　snigger,n./v. a disrespectful laugh； laugh quietly，暗笑，窃笑

　　例句：Suddenly, three school kids sitting near me started sniggering.

　　翻译：突然，坐在我身边的3个学童偷偷地笑了起来。

　　7. giggle ['g?g?l]

　　giggle，n./v. to laugh in a nervous or childlike way，紧张得咯咯笑

　　例句：I was so nervous I got the giggles.

　　翻译：我紧张得咯咯笑个不止。

　　8. titter ['t?t?]

　　titter， n./v. to laugh in a quiet and nervous way，窃笑

　　例句：Mollie gave an uneasy little titter.

　　翻译：莫莉不自在地微微窃笑了一下。

　　9. grin [gr?n]

　　grin，n./v. a broad smile ; you smile broadly， 咧嘴笑，露齿而笑

　　例句：Sarah tried several times to catch Philip's eye, but he just grinned at her.

　　翻译：萨拉几次试图吸引菲利普的注意，但他只是对她咧嘴笑笑。