身体衰弱用英语怎么说

身体衰弱用英语可以翻译为 "physical weakness" 或 "frailty." 这两个词都指身体衰弱，即身体比平常虚弱。

来源：

"Weakness" 是一个常用的英文单词，意思是 "虚弱"、"无力" 或 "没有力量"。

"Frailty" 来源于拉丁语 "fragilis"，意思是 "易碎的"、"脆弱的"。在英文中，它也可以指 "身体衰弱"。

一些英文例句及其中文翻译：

The elderly often suffer from frailty. (老年人通常会身体衰弱。)

His illness has left him weak and frail. (他的病使他身体虚弱。)

She has always been a strong and healthy person, but lately she has been feeling weak and unable to do her usual activities. (她一直是一个强壮健康的人，但最近她感觉身体虚弱，无法做她平常做的事情。)