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| NOUN |
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| /ɔːˈΘɒrəti/ |
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| 1 | C someone who is considered an expert in a particular subject 专家；权威 |
| +on Charles was an authority on antique musical instruments. 查尔斯是位古乐器专家。 |
| | 1a | a book or information that people respect because it contains a lot of knowledge about a particular subject 权威著作；权威信息 | | +on The book is widely acknowledged to be the authority on regional English expressions. 这本书被广泛认可为有关不同地区英语表达的权威著作。 | |
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| 2 | the authorities plural the police or people in other official organizations with legal power to make people obey laws or rules 警方；当局；官方 |
| The girl told the authorities that she had been kidnapped from her home. 姑娘告诉警方她是在家里被绑架的。 |
| The French authorities have refused to issue him a visa. 法国当局拒绝给他发签证。 |
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| 3 | C an organization or institution that controls something , often a public service 管理机构 |
| She took her complaint to the local health authority. 她到当地医疗管理机构投诉。 |
| The rules are set by the passenger transport authority. 这些规定是由客运管理部门制定的。 |
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| 4 | U the power to make decisions or tell people what to do 权势；权力；管辖权 |
| In practice it is difficult for the President to exercise his authority. 实际上总统很难行使其权力。 |
| have the authority to do sth They don’ t have the authority to close the canal. 他们没有关闭运河的权力。 |
| +over Parents have legal authority over their children. 父母对他们的孩子拥有合法的管理权。 |
| | 4a | the power to influence other people because they respect your opinions or knowledge 影响力；说服力 | | with authority It is a subject on which she can write with authority. 这是一个她写起来会很有说服力的题目。 | |
| | 4b | the power to make other people obey you because of a quality in the way you speak or behave 威信；威严 | | There was a tone of authority in her voice. 她的声音里透着威严。 | |
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| 5 | U formal official permission to do something 许可；权限 |
| He believed he had authority to ride the bike. 他认为自己有权骑这辆自行车。 |
| PHRASE |
| - | I have it on good authority (that)
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| used for saying that your information comes from someone you trust |
| 我从可靠处得知（消息） |
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