1. His already infirm body was racked by high fever. 他已经很孱弱的身体受到高烧的折磨。
2. We are here to protect and assist the weak and infirm. 我们来这里保护和帮助病弱者。
3. He has neither an infirm mother, nor a whole troop of everlastingly hungry children to torment him. 他没有虚弱的母亲要照顾，也没有总是吃不饱的孩子来纠缠他。
4. These reports reached the village, of course, but people only half believed them, for the grandmother was infirm and old. 当然，这些消息传到村子里，但人们只是半信半疑，因为奶奶上了年纪会犯迷糊。
5. We lack wisdom. We are still infirm. 我们缺乏智慧，也依然软弱。
