frailty

名词 frailty:

1. the state of being weak in health or body (especially from old age)
   同义词：infirmity, debility, feebleness, frailness, valetudinarianism
2. moral weakness
   同义词：vice

1. A mistake that shows he's only human; human frailty.
   这个错误证明他也是个凡人; 人的脆弱
2. One of the frailties of human nature is laziness.
   人性的弱点之一是懒惰。

frail.ty

n.（名词）
【复数】 frail.ties
The condition or quality of being frail.
虚弱：虚弱的状态或性质
A fault, especially weakness of resolution, arising from the imperfections of human nature.See Synonyms at fault
弱点：源于人性的缺点或过失，尤指意志不坚定参见 fault