Rattle snakes' tails make a rattling sound that warns predators to stay away.

响尾蛇的尾巴发出嘎嘎声，警告掠食者远离。

I know a man who is not afraid to sleep with a rattle snake, but you could not get him to sleep with a safety razor.

我认识一个不怕和响尾蛇一起睡觉的人，但你不能让他和安全剃刀一起睡觉。