If you go into a shark's territory and threaten it, it might try to bite you.

如果你进入鲨鱼的领地并威胁它，它可能会试图咬你。

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If sharks bite you, says Doctor Clark, the reason is usually because of mistaking you for its natural food.

克拉克博士说，如果鲨鱼咬了你，原因通常是因为把你错认为它的天然食物。

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And,if you wish someone good night, you might say, "sleep tight -- don't let the bed bugs bite."

VOA: special.2009.06.28

It's unbearable. It's really uncomfortable, it makes you want to bite your nails or just run out of the room.

这真让人难以忍受。你感觉很不自在，这让你想咬指甲或者干脆夺门而出。

Is there any 课堂 - SpeakingMax英语口语达人

It's deliberate that a lot of the examples in lecture are fairly short and bite-size so that you can actually focus on pulling out the key ideas without getting distracted by line and lines of code.

很多的演讲中的例子,是短小的,因此你们可以集中于提取其中的主要思想,而不是被一行行的代码给分心。

哈佛公开课 - 计算机科学课程节选

Be very wary of free, since it may come and bite you on the rump down the line.

FORBES: My Google Trust Issues

Though your digital footprints can bite you, it's good to know they can also help advance your career.

FORBES: Magazine Article

Lying will always (without question, without exception) come back around and bite you.

FORBES: Should You Lie to Land a Job?