incompetence /ɪnˈkɑːmpətəns/ noun Learner's definition of INCOMPETENCE
[noncount]
: lack of the ability to do something well : the quality or state of not being competent(做某事)不胜任,无能 -
mental incompetence 脑机能不全
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Because of his incompetence, we won't make our deadline.由于他的不胜任,我们不会按时完成工作。
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She was fired for gross incompetence.她因极不称职被解雇。
— opposite competence