pay back It's high time he paid me back the $100 he owes me He paid me back by not coming His hard work paid off when he got the promotion.(是值得的 rve just paid off my loan from the bank. What a relief!(偿还掉)• pay back • It’s high time he paid me back the $100 he owes me. • He paid me back by not coming. • His hard work paid off when he got the promotion. (是值得的) • I’ve just paid off my loan from the bank. What a relief! （偿还掉）