pay back

柯林斯词典

1. PHRASAL VERB If you pay back some money that you have borrowed or taken from someone, you give them an equal sum of money at a later time. 偿还
He burst into tears, begging her to forgive him and swearing to pay back everything he had stolen. 他突然哭了起来，求她原谅他并发誓要偿还他偷的所有东西。
2. PHRASAL VERB If you pay someone back for doing something unpleasant to you, you take your revenge on them or make them suffer for what they did. 报复
Some day I'll pay you back for this!
总有一天我会为此报复你的！