pay back

柯林斯詞典

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. 償還
He burst into tears, begging her to forgive him and swearing to pay back everything he had stolen. 他突然哭了起來，求她原諒他并發(fā)誓要償還他偷的所有東西。
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. 報(bào)復(fù)
Some day I'll pay you back for this!
總有一天我會(huì)為此報(bào)復(fù)你的！