Where I come from, you don't rat on your friends.

在我的老家，谁都不出卖朋友。

《牛津词典》

The Rat was sitting on the river bank, singing a little song.

水鼠兰特坐在河岸上，唱着一支小曲。

youdao

This rat detection method doesn't rely on specialist equipment.

这种针对老鼠检测方法无需专门的设备。

youdao

If you rat someone out in jail, someone puts a contract out on you.

如果你坦白了,你是在自找麻烦

耶鲁公开课 - 博弈论课程节选

Why not just put our own orgasmitron hat on with a little-- not rat lever, but now human lever-- with the electrodes stimulating our own brains so that we get this intense burst of pleasure?

我们为何不带上电子高潮帽-,把老鼠杠杆变成人类杠杆-,用电极刺激我们的大脑,获得强烈的快感？

耶鲁公开课 - 死亡课程节选

If you put the electrode in just the right place, then when the electrode gets turned on, it stimulates the pleasure center in the rat's brain and it gets a little burst of pleasure, a pretty intense burst of pleasure.

只要把电极放对地方，然后启动电极，刺激老鼠大脑的快乐中枢,老鼠感受到一股快感，一股很强烈的快感。

耶鲁公开课 - 死亡课程节选

Stockman waited all of three months to rat on his colleagues.

FORBES: Who's the Economic Fraud Now?

The team set the cyber-rat loose on two different groups of the furry subjects.

ENGADGET: Alt-week 2.16.13: robo-rats, a young black hole and a computer that cannot crash

David Covington, a 28-year-old customizer in Woodward, Oklahoma, has an 11-inch tattoo of Rat Fink on his left forearm.

FORBES: Rat Fink Renaissance