If you refer to someone's incompetence, you are criticizing them because they are unable to do their job or a task properly.
例句
The incompetence of government officials is appalling.政府官员的无能令人震惊。...his incompetence in failing to conduct full inquiries.他未能实施全面调查
英汉词典释义
n.
无能力,不称职,不胜任
Their incompetence made me furious.他们的无能令我火大。We rated him for his incompetence.他办事无能,我们发怒斥责了他。A nod’s as good as a wink,she was sacked for incompetence.不用多说,她因不称职而被解雇。
英英词典释义
Noun
1. lack of physical or intellectual ability or qualifications
2. inability of a part or organ to function properly