例句
I'd rather have seen him gnash his teeth than smile so.
我宁可看他咬牙也不愿看这样的笑。
The wicked plot against the righteous and gnash their teeth at them;
恶人设谋害义人，又向他咬牙。
It makes me gnash my teeth to see so much food deliberately destroyed or wasted when there are people starving in Africa.
当非洲人民在 挨饿时，我看到这么多故意毁坏和浪费的食物，真 使我气得咬牙切齿。