無力的英語翻譯：

atony; disability; impotence; inability; incapability; incapacity
lack strength; feel weak
【醫(yī)】 acratia; adynamia; anergia; anergy; asthenia; inertia; languor

償還的英語翻譯：

compensate; redeem; refund; imburse; pay; recoup; reimburse; repay
【經(jīng)】 deduct from; recoup; recoupment; redemption; refund; refundment
reimburse; repay; repayment; restitute; satisfaction