snicker

1. V-I If you snicker, you laugh quietly in a disrespectful way, for example, at something rude or embarrassing. 竊笑; 暗笑

We all snickered at Mrs. Swenson. 我們都暗暗嘲笑斯溫森太太。

2. N-COUNT Snicker is also a noun. 竊笑; 暗笑

...a chorus of jeers and snickers. ...一陣嗤笑。