Pay me back in a year.

一年之后连本带利还我

Blake:You're got to pay me back today.

布雷克：但你说这星期会还我的。

Do you promise faithfully to pay me back?

你能切实保证把钱还给我吗？

When do you envisage being able to pay me back?

你估计什么时候能够还钱给我?。

Eg. I'm out of pocket until you pay me back .

你再不还我钱，我就一分钱也没有了。

Last week, I paid for his parking, he hasn't pay me back!

上周，我帮他付了停车费，他还没还我钱！