Does that sometimes mean ratting out fellow inmates ?

这是不是意味着有时要出卖你的狱友?

I start ratting on customers , they stop coming in .

我要是出卖顾客他们还会来这喝酒?

By ratting him out to my parents ?

把他丢给我的爸妈？

How do we know he 's not ratting us out right now ?

我们怎么知道他不会出卖我们?

I hope you 're not thinking of ratting on the deal .

我希望你不要想反悔而毁了这笔交易。