bite
单词辨析：
普通用词，强调用牙咬住、咬掉、把东西咬碎。
The dog bit that boy and made his leg bleed.
狗把那个小男孩的腿咬出血了。
He was bitten by a snake.
他被蛇咬伤了。
指嚼或吃食物时发出较大声响。
There he sat, happily champing his lunch.
他坐在那里，津津有味地吃着午餐。
The horses were champing their hay.
马在咔嚓咔嚓地咀嚼干草。
通常只用于 gnash your teeth 这一习语中，表示因愤怒或痛苦而咬牙切齿。
Seeing his enemy, he gnashed his teeth.
见到仇人，他把牙齿咬得格格作响。
指用力咬或啃一件东西，含有连续不断的意思。
The rats gnawed a hole in the box.
老鼠把箱子咬了一个洞。
The dog is gnawing on a bone.
狗在啃骨头。
相关例句：
Here's a bite to eat if anyone's hungry.
这里有点吃的，谁饿了可以先点补点补。
Polly took a bite of the apple, chewed and swallowed.
波利咬了一口苹果，嚼了嚼咽了下去。
Whenever possible, suggest she talks about it but be aware she may bite your head off for your trouble.
找机会建议她谈谈这事儿，但是小心她可能会因为你多事儿而大发雷霆。
She may be cynical about the film industry, but ultimately she has no intention of biting the hand that feeds her.
她对电影业可能有些怀疑失望，但终究没有恩将仇报之意。
As the sanctions begin to bite there will be more political difficulties ahead
随着制裁开始产生严重的负面影响，政治上将面临更多的困难。
It was time to go home for a little rest and a bite to eat.
该回家休息一会儿，吃一点儿东西了。