pay off

偿清；得到好结果；取得成功英释中释If you pay off a debt, you give someone all the money that you owe them

1 payoff function,支付函数

1 It would take him the rest of his life to pay off that loan..还清那笔贷款将花费他的余生。

2 Sandra was determined to become a doctor and her persistence paid off..桑德拉决心成为一名医生，她的坚持不懈终于带来了成功。