giggle

傻笑；咯咯地笑英释vvto laugh quickly, quietly, and in a high voice, because something is funny or because you are nervous or embarrassed

吃吃的笑英释nnGiggle is also a noun

1 If you can’t stop giggling you’ll have to leave the room..如果你再咯咯地笑个不停，就给我离开屋子。

2 She gave a little giggle..她咯咯地笑了一下。