feeble child

例句：

1. 1.The old man is feeble and needs help to get around.
   老人虚弱，需要帮助才能走动。
2. 2. The child was feeble and couldn't walk properly.
   孩子虚弱，不能正常走路。
3. 3. The baby is feeble and needs extra care.
   婴儿虚弱，需要额外的照顾。