physical frailness
frailness of health
emotional frailness
frailness of spirit
1. The frailness of his health was evident to everyone.
他身体的虚弱对每个人来说都是显而易见的。
2. She struggled against the frailness of her elderly body.
她在与年迈身体的虚弱作斗争。
3. The frailness of the ancient structure worried the engineers.
这座古老建筑的脆弱让工程师们感到担忧。
A: Why is he so tired all the time?
A：为什么他总是这么累？
B: It's due to his extreme frailness after the illness.
B：这是因为病后身体极其虚弱。
1) 身体上的虚弱或衰弱
2) 结构或物质上的脆弱
3) 性格或精神上的脆弱
1. 虚弱；脆弱
e.g.
The frailness of the ecosystem is a concern.
生态系统的脆弱性令人担忧。
noun
1. The state of being physically weak, delicate, or easily broken or damaged.
Synonym: weakness, fragility, delicacy