ratted

1.They've ratted on us.

他们背叛了我们。

2.ratted on his best friend to the police.

把他最好的朋友出卖给警察

3.Irene：But you're the one who ratted me out! Now I'm in big trouble.

艾琳：但是妳出卖我！现我麻烦大了。