pay back -用法

pay back

1．return punishment报复

He paid me back by not coming．他采取不来的方式向我报复。

We'll pay them back for their insults one day．总有一天，我们将对他们的恶意中伤进行报复。

2．return（money）还钱；还债

I'm certain that he will pay back every cent he owes you．我敢肯定他会分文不差地把欠款还给你。