[mass noun]the condition of being weak and delicate 脆弱;虚弱 the increasing frailty of old age. 晚年渐增的虚弱。 ■weakness in character or morals (性格、品德上的)弱点 all drama begins with human frailty. 所有的戏剧都始于人性的弱点。 [count noun]you're too self-righteous to see your own frailties. 你太自以为是以至于看不到自己的弱点。
语源
Middle English (in the sense 'weakness in morals'): from Old French frailete, from Latin fragilitas, from fragilis (see fragile)