pay off(短语动词)
/ˌpeɪ ˈɔf/
I finally paid off my student loan.
我终于还清了学生贷款。
Years of practice paid off when she won the scholarship, proving that persistence can change a life.
多年的练习在她赢得奖学金时得到了回报,证明坚持能够改变人生。
pay 来自“支付、偿还”,off 有“清除、完成、结束”的含义;合起来最初常指把债务“付清、结清”。后来引申为“付出之后得到回报”,并在口语中进一步发展出“用钱摆平/买通”的含义。