v.暗笑,窃笑( snigger的现在分词 );
例句:
What are you sniggering at?
你偷偷笑什么呢?
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。
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。