“还清债务”常见的英文表达是 “pay off one's debts” 或 “repay one's debts”。
pay off one's debts:强调通过支付款项来彻底消除债务状态。例如:He worked hard for years to pay off his debts.(他努力工作了好几年,终于还清了债务。 )
repay one's debts: “repay”有“偿还;回报”之意,“repay one's debts”更侧重于描述偿还债务这个动作 。例如:She is determined to repay her debts as soon as possible.(她决心尽快还清债务。 )