n. a foolish or nervous laugh
v. laugh nervously
v. 吃吃地笑, 咯咯地笑
n. 咯咯笑, 傻笑
1. She couldn't help but giggle at the funny joke.
她忍不住对这个搞笑的笑话咯咯笑。
2. The children began to giggle when they saw the clown.
孩子们看到小丑时开始咯咯笑。
3. I always giggle when I watch that silly movie.
我每次看那部傻乎乎的电影时都会咯咯笑。