repay sb (for sth)
常用搭配，表示因某事报答某人。
She repaid him for his kindness.
她报答了他的好意。
偿还；报答；回报
repayed — past of repay
值得；有回报；使…值得；重新涂柏油；重新涂沥青；重新涂覆(沥青等)。；回报；报答。
To pay back money or a favor; to give in return.
Synonym of pay back in all senses.
重新涂覆(沥青等)。
To pay (cover with tar, pitch, etc.) again.
To make worthwhile; to yield a result worth the effort; to pay off.
回报；报答。
To give in return; requite.
一般现在时
She always repays her debts on time.
她总是按时偿还债务。
一般过去时
He repaid the loan last month.
他上个月偿还了贷款。
现在完成时
They have already repaid the favor.
他们已经回报了这份恩情。
不规则动词，过去式与过去分词均为repaid。
He promised to repay the loan within two years.
他承诺在两年内偿还贷款。
用法提示：repay 作为及物动词，表示‘偿还（钱款）’。
She repaid their generosity by helping them in return.
她通过帮助他人来回报他们的慷慨。
用法提示：repaid 是 repay 的过去式，表示‘回报（善意）’。
I will repay your kindness someday.
总有一天我会报答你的好意。
用法提示：repay 表示‘报答（好意）’。
常用搭配，表示因某事报答某人。
She repaid him for his kindness.
她报答了他的好意。
用于偿还债务或借款，介词to可省略。
He repaid the loan to the bank.
他向银行偿还了贷款。
表示以某种方式回报，常用于负面语境。
They repaid my help with hostility.
他们以敌意回报我的帮助。
较正式，常用于报销费用或返还资金
特指退款，不如repay通用
侧重赔偿损失，语气更正式
常用于感情、好意等互惠情境，不用于金钱
文学化，正式，较少用于日常
grammar · medium
易错句子I will repay back the money next week.
正确表达I will repay the money next week.
repay本身就含有“偿还”之意，加上back是多余的，应删除。
grammar · medium
易错句子She repay the loan yesterday.
正确表达She repaid the loan yesterday.
repay的过去式是不规则变化，应为repaid，而非repay。
‘pay’泛指付钱或费用，而‘repay’强调偿还之前欠下的债务或报答。
‘return’指物理上归还物品或回到某处，‘repay’指偿还金钱或抽象回馈。
‘reward’强调对积极行为给予奖赏，‘repay’可指中性或消极的偿还（如报复）。
偿还贷款
He needs to repay his student loan within ten years.
他需要在十年内偿还学生贷款。
偿还债务
She finally repaid all her debts after years of hard work.
经过多年的辛勤工作，她终于偿还了所有债务。
报答某人的好意
I want to repay you for your kindness with a small gift.
我想用一份小礼物来报答你的好意。
回报人情
He helped me move, so I'll repay the favor by cooking dinner.
他帮我搬家，所以我会做晚饭来回报这个人情。
还钱
Can you repay the money by the end of the month?
你能在月底前还钱吗？
全额偿还
The company must repay the loan in full within five years.
公司必须在五年内全额偿还贷款。
偿还债务是 repay 的常见场景
贷款需要 repay 本金和利息
用行动或言语 repay 别人的好意
repay 可能出于道德或法律义务
对损失或伤害进行 repay
以同样的方式回报（常指负面）
After he insulted me, I decided to repay him in kind.
他侮辱我之后，我决定以同样的方式回敬他。
回报恩惠
She helped me move, and I'd like to repay the favour by cooking dinner for her.
她帮我搬家，我想为她做顿晚餐来回报这个恩惠。
加倍回报（常指报复）
He cheated me once, but I will repay him with interest.
他骗过我一次，但我会加倍奉还。
主说：伸冤在我，我必报应。
He trusts that God will repay the wrongs done to him.
他相信神会报应他所受的不公。
我必偿还你们被蝗虫吃掉的年岁。
She hopes that time will repay her for her patience.
她希望时间会回报她的耐心。
Dictionary facts from ECDICT, WIKTIONARY.