unable

US /ʌnˈeɪ.bəl/

UK /ʌnˈeɪ.bəl/

1.

不能, 无法

not having the power, skill, means, or opportunity to do something

:

•

I am unable to attend the meeting tomorrow.

我明天无法参加会议。

•

She was unable to speak after the shock.

她受到惊吓后无法说话。

:

incapable powerless helpless ineffective

:

able capable