incompetent [ɪnˈkɒmpɪtənt]

以下由轻松背单词网站提供

adj.无能力的，不能胜任的

not having the ability or skill to do something as it should be done

He is utterly incompetent at his job. 他完全不能胜任他的工作。
He is incompetent at working with his hands. 他动手能力不行。