1. I was given infirmity, that I might do better things. 但他给我虚弱，好叫我能成就更好的事情。
2. On leaving the hospital, the patient felt almost too weak to walk, but he soon overcame this infirmity. 离开医院时，病人感到虚弱的几乎走不动，但他很快就克服了虚弱。
3. Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity. 健康是身体的、心理的及社会的达到完全安适状态，而不仅是没有疾病或身体虚弱而已。
英英解释
n.
1. the state of being weak in health or body (especially from old age)
