1. chortle [ttl] n./v. laugh in a way that shows you are very pleased, 高兴地笑
例句：There was silence for a moment, then Larry began chortling like an idiot.
翻译：一片寂静之后，拉里开始像个傻子一样哈哈大笑。
2. chuckle1 [tkl] 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. guffaw2 [gf] n./v. a very loud laugh；laugh loudly，哄笑，大笑
例句：As they guffawed3 loudly, the ticket collector arrived.
翻译：正当他们哈哈大笑时，检票员来了。
4. simper [smp] n./v. a silly self-conscious smile；smile affectedly5 or derisively6, 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. smirk7 [smk] n./v. to smile in an affected4 or smug manner； smile affectedly or derisively, 傻笑，得意地笑，幸灾乐祸地笑
例句：Two men standing8 nearby looked at me, nudged each other and smirked9.
翻译：站在旁边的两个男性看着我，互相用胳膊肘轻碰他们，幸灾乐祸地笑着。
6. snigger [sng] n./v. a disrespectful laugh； laugh quietly，暗笑，窃笑
例句：Suddenly, three school kids sitting near me started sniggering.
翻译：忽然，坐在我身边的3个学童偷偷地笑了起来。
7. giggle10 [ggl] 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 giggles11.
翻译：我紧张得咯咯笑个不止。
8. titter [tt] 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 [grn] n./v. a broad smile ; you smile broadly， 咧嘴笑，露齿而笑
例句：Sarah tried several times to catch Philips eye, but he just grinned at her.
翻译：萨拉几次试图吸引菲利普的注意，但他只不过对她咧嘴笑笑。