词典释义：
[mass noun]the power or right to give orders, make decisions, and enforce obedience
管辖权
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he had absolute authority over his subordinates 他对下属有绝对的管辖权
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positions of authority 有实权的职位
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a rebellion against those in authority 对当权者的反抗。
the right to act in a specified way, delegated from one person or organization to another
（授予的）权，权力
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[often with infinitive]
military forces have the legal authority to arrest drug traffickers .军队有权逮捕毒贩。
official permission; sanction
（官方的）许可；批准
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the money was spent without parliamentary authority .使用那笔钱未经国会批准。
(常作
当局；当权者（或机构）
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the health authorities 卫生部门
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the Civil Aviation Authority 民航局
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[mass noun]
she wasn't used to dealing with authority .她不习惯与当权者打交道。
[mass noun]the power to influence others, especially because of one's commanding manner or one's recognized knowledge about something
威信，影响力；说服力
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he has the natural authority of one who is used to being obeyed 他天生就具有那种惯于让他人服从的威信
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he spoke with authority on the subject .他就这个题目作了令人信服的发言。
the confidence resulting from personal expertise
（个人专业素养带来的）信心
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he hit the ball with authority .他击球时信心十足。
[count noun]a person with extensive or specialized knowledge about a subject; an expert
专家；（学术）权威
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he was an authority on the stock market .他是股票市场方面的专家。
[count noun]a book or other source able to supply reliable information or evidence, typically to settle a dispute
权威的典籍；（信息、证据的）可靠来源。
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have something on good authority have ascertained something from a reliable source （据可靠来源）确认
"Middle English： from Old French
