snigger
verb [ I ] mainly UK uk/ˈsnɪɡ.ər/ us/ˈsnɪɡ.ɚ/ (US usually snicker)
暗笑，窃笑
to laugh at someone or something in a silly and often unkind way
They spent half the time sniggering at the clothes people were wearing. 他们有一半时间都在偷偷取笑人们穿的衣服。
What are you two sniggering at/about? 你们两个在偷偷笑什么？
- More examples
- He sniggered quietly to himself.
- Schoolchildren snigger at the mention of some words.
- Stop sniggering at the back of the class please!