unable
01
无法, 不能
being incapable of or lacking the skill, means, etc. necessary for doing something
例子
She was unable to attend the meeting due to a scheduling conflict.
由于日程冲突，她无法参加会议。
They were unable to fix the problem without additional resources.
没有额外资源，他们无法解决问题。
02
无法
(usually followed by `to') lacking necessary physical or mental ability
03
不能的, 无力的
lacking in power or forcefulness
