1
be an incompetent
He was fired because he was an incompetent.
他被解雇因为他是个无能的人。
无能的人；不称职者
先理解核心含义，再看它在真实句子里的用法。
无能的人；不称职者
a person who lacks the ability or skill to do something effectively
He was fired because he was an incompetent.
他被解雇因为他是个无能的人。
无能力的人；不胜任者。
A person who is incompetent.
无能力采取有效行动的人
someone who is not competent to take effective action
The company fired several incompetents who couldn't meet their targets.
公司解雇了几个无法完成目标的庸才。
It's frustrating to work with an incompetent who refuses to learn.
和一个拒绝学习的无能之辈共事令人沮丧。
Voters are tired of electing incompetents to public office.
选民厌倦了选举无能之人担任公职。
He was fired because he was an incompetent.
他被解雇因为他是个无能的人。
The manager called him an incompetent.
经理称他为无能的人。
They dismissed her as an incompetent.
他们认为她是个无能的人而不予考虑。
Not this
Many incompetent in the company were fired.
Use this
Many incompetents in the company were fired.
incompetent作为名词时，复数形式为incompetents，需要加-s。中文中'无能的人'单复数同形，但英语需要变复数。
Not this
His incompetent led to the failure.
Use this
His incompetence led to the failure.
incompetent是名词'无能的人'，而incompetence是抽象名词'无能'。这里表示抽象概念，应用incompetence。
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Includes Synonyms & Antonyms
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一个完全无能的人
He was a total incompetent in the role of manager.
他在经理的职位上完全无能。
在...方面无能的人
She is an incompetent at handling finances.
她在处理财务方面是个无能的人。
解雇无能的人
The company decided to dismiss the incompetent after several mistakes.
公司决定在多次失误后解雇那个无能的人。
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in（不）+ competent（有能力的）= 无能的人。想象一个同事总把任务搞砸，因为他能力不足。
语域：formal 常见场景：workplace、legal 此用法多见于正式评价或法律语境，通常描述某人无能。
可数名词，复数形式为incompetents
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.