You rat on him to your parents. Or maybe you rat on a colleague at work.

你向你的父母告发了他。或者也许你出卖了你的同事。

30.have you found any rats on board?

船上发现老鼠吗？

Thanks for ratting out my kid on his first day.

谢谢你第一天就找我孩子麻烦。

You think I'm gonna rat on my friends?

你觉得我会出卖我朋友吗？

Once something goes wrong, the Minister's first instinct is to rat on his department.

一旦出了岔子，大臣的第一直觉就是出卖本部。

You may feel you don't want to rat on someone else.

你也许觉得不想出卖别人。

When you rat on someone, you tell on them.

当你出卖某人，你告发（tell on）了他们。

To rat on someone means to betray a loved one, friend or someone else you know.

“rat on someone（出卖某人）”意思是背叛爱人、朋友或是一个熟人。

Most criminals have a different code of conduct among themselves: You don't rat on fellow criminals to the police.

不向警察出卖你的同伙。

You rat on him to your parents.

你向你的父母抱怨他。

Or maybe you rat on a colleague at work.

或者，也许您在工作中嘲笑同事。

Which explains why you're ratting on him.

这可以用来解释为什么你背叛了他。

Did you rat on one of the five families?

还是告密了五大黑帮家族之一？

Yeah, the black firefighter won't rat on the racists.

黑人消防员不告发种族主义者。

Excuse me, lady. You've got a rat on your shoulder.

打扰一下 女士 你的肩膀上有一只老鼠。

Ratting on people, or tattling on them, will not win you friends.

嘲笑别人或对他们说闲话，不会为你赢得朋友。

So, if someone sings like a canary and rats on their friends, we would never call them a " canary" .

所以说，如果说有人像金丝雀唱歌一样，告发（rat on）了他们的朋友，我们是绝对不会说他们是" 金丝雀" 的。

You don't rat on fellow criminals to the police.

你不会向警察告发同伙罪犯。

And when you waitress till 2: 00, you see a loser drawing a rat on a napkin.

在餐馆打工到凌晨2点 能看到废柴在纸巾上画老鼠。

This man did not come forward at the time because he didn’t want to rat on one of his friends.

这个人当时没有挺身而出，因为他不想责备他的一个朋友。