snigger
英 ['snɪgə]
美['snɪɡɚ]
	    - n. 窃笑;偷偷的笑
 - vi. 吃吃窃笑;暗笑
 
实用场景例句
- What are you sniggering at?
 - 你偷偷笑什么呢?
 
牛津词典
- Suddenly, three schoolkids sitting near me started sniggering...
 - 3 个坐在我附近的学童突然偷偷地笑了起来。
 
柯林斯高阶英语词典
- How can I forget, with people sniggering behind my back?...
 - 我怎么会忘记呢?人们一直在我背后偷偷地笑话我。
 
柯林斯高阶英语词典
- Here the unfeeling Toad a snigger, and then pulled himself and tried to look particularly solemn.
 - 听到这里,没心肝的蟾蜍居然偷偷地噗嗤笑了出来,跟着又敛容正色,做出特别庄重严肃的样子.
 
期刊摘选
- The tourists snigger at the locals' outdated ways and dress.
 - 游客们偷偷地取笑当地人落伍的做法和衣着。
 
柯林斯例句