pay off有被动语态，但要加be动词，即be paid off。pay off可以用作主动也可以用作被动，作主动时以人为主语，作被动时以物为主语，中文含义有“偿清”、“还清欠…的钱”、“成功”、“赢利”。
pay off的中文含义及双语例句
pay off意为偿清，还清（债务）;还清欠…的钱;用钱打发;成功;赢利。例句有：
1、It would take him the rest of his life to pay off that loan.
他得用余生来还清那笔贷款。
2、Sandra was determined to become a doctor and her persistence paid off.
桑德拉决心成为医生，她的坚持取得了成功。
3、I can guarantee that he will pay off the debt.
我可以保证他会还清债务的。
4、He had struggled to pay off creditors but couldn't fend them off any longer.
他曾想方设法还债主的钱，但却再也躲不过他们了。
5、They doubted whether all this work would pay off.
他们怀疑这样干是否划得来。
6、They have loans, bills, a mortgage to pay off, retirement to save for.
他们有贷款、账单、抵押贷款要还清，还要存退休金。
7、You can pay it off or make a minimum repayment.
你可以一次付清或先付最低分期偿付款。
8、If my investment doesn't pay off I'll feel used.
如果我的投资没有得到回报，我又会觉得自己被利用。
9、I believe that hard work and determination pay off.
我相信勤奋和决心一定会得到回报。
10、Still, the company expects its investment will pay off.
不过，该公司预计其投资将会取得回报。
