frailty
n. 虚弱；弱点；意志薄弱
复数 frailties
例句
She died after a long period of increasing frailty.
她日益虚弱，经过一段长时间后去世了。
《柯林斯英汉双解大词典》
Increasing frailty meant that she was more and more confined to bed.
日益衰弱意味着她愈来愈需要卧床。
《牛津词典》
This human frailty has profound consequences.
人性的这一弱点具有深远的影响。
