infirm
例子
The infirm elderly man needed assistance walking up the stairs.
那位虚弱的老人在上楼梯时需要帮助。
Mary's infirm grandmother required a walker to move around the house safely.
玛丽体弱的祖母需要一个助行器才能安全地在房子里走动。
02
软弱的, 优柔寡断的
lacking firmness of will or character or purpose
