feebleness 

英汉解释

n. 微弱；虚弱

同义词

n. debility，frailness，frailty，tenuity

参考例句

1. The old man sat down slowly, indicating his feebleness.
老人慢慢地坐下，显出了他的虚弱。
2. No color feebleness, no color blindness. No seriously illness and deformity.
无色弱，无色盲。无严重的身体疾病及残缺。
3. There was no feebleness of step as at other times; his frame was not bent, nor did his hand rest ominously upon his heart.
他的步履不像平时那样虚弱，他的躯干不再弯曲，他的手也没有病态地捂在心口。

英英解释

n.
  1. the state of being weak in health or body (especially from old age)
  2. the quality of lacking intensity or substance

网络释义

feebleness
微弱;
delicacy faintness feebleness tenuity
微弱;