基本解释n.虚弱；病身；疾病；弱点同根派生 英汉例句用作名词 (n.)Infirmity often comes with old age.虚弱常随年老而来。The old woman was suffering from age and infirmity.那个老妇人受年老体弱之苦。Having a bad temper is his worst infirmity.坏脾气是他最大的弱点。