If you repay a loan or a debt, you pay back the money that you owe to the person who you borrowed or took it from.
例句
It will take 30 years to repay the loan...還清貸款需要30年的時間。He advanced funds of his own to his company, which was unable to repay him.他把自己的資金預(yù)付給他的公司，而公司卻不能把錢償還給他。
VERB
報答，回報（恩惠等）
If you repay a favour that someone did for you, you do something for them in return.
例句
It was very kind. I don't know how I can ever repay you...真是太好了。我都不知道怎么報答你才好。I owe them a debt that cannot easily be repaid.我欠他們一筆錢，不容易償還。
英漢詞典釋義
vt.
歸還；償還；清償
He repaid the money he had borrowed.他把借的款還了。
報答, 酬報
I must repay her for her kindness.我必須報答她的恩惠。
英英詞典釋義
Verb
1. pay back;
"Please refund me my money"
2. make repayment for or return something
3. act or give recompensation in recognition of someone's behavior or actions