1. 咯咯笑：44. bumblebee 大黄蜂 | 45. giggle 咯咯笑 | 46. paradox 似是而非
2. 咯咯地笑：smile bitterly 苦笑 | giggle 咯咯地笑 | grin 咧嘴而笑
3. (傻笑)：/gaze (凝视) | /giggle (傻笑) | /glad (高兴)
1. 咯咯地笑；傻笑
If someone giggles, they laugh in a childlike way, because they are amused, nervous, or embarrassed.
e.g. Both girls began to giggle...
两个女孩都咯咯地笑了起来。
e.g. 'I beg your pardon?' she giggled.
“您可以重复一遍吗？”她咯咯地笑着说。
2. 傻笑
If you say that someone has the giggles, you mean they cannot stop giggling.
e.g. I was so nervous I got the giggles...
我紧张得傻笑起来。
e.g. She had a fit of the giggles.
她咯咯地笑个不停。
3. 趣事；玩笑
If you say that something is a giggle, you mean it is fun or is amusing.
e.g. I might buy one for a friend's birthday as a giggle.
我可能会买一件送给朋友当生日礼物，逗他开心。
词典解释
1. 咯咯地笑；傻笑
If someone giggles, they laugh in a childlike way, because they are amused, nervous, or embarrassed.
e.g. Both girls began to giggle...
两个女孩都咯咯地笑了起来。
e.g. 'I beg your pardon?' she giggled.
“您可以重复一遍吗？”她咯咯地笑着说。
2. 傻笑
If you say that someone has the giggles, you mean they cannot stop giggling.
e.g. I was so nervous I got the giggles...
我紧张得傻笑起来。
e.g. She had a fit of the giggles.
她咯咯地笑个不停。
3. 趣事；玩笑
If you say that something is a giggle, you mean it is fun or is amusing.
e.g. I might buy one for a friend's birthday as a giggle.
我可能会买一件送给朋友当生日礼物，逗他开心。