行政主管的英文：
administrative authorities; competent authorities

参考例句：

He seems more like a military officer than a business executive.
他似乎比较像一个军官，而不像一个商业行政主管。

An unreachable canyon;an executive unreachable by telephone.
无法到达的峡谷;用电话无法联系上的一名行政主管

A former company executive describes him as the embodiment of Nike's image.
公司前行政主管形容乔丹是耐克形象的化身。

She's every inch an executive,but she has not lost her femininity,and I think that's one of her greatest achievements.
她是个不折不扣的行政主管，可是她并没有失去女性的特质。我认为这是她最大的一项成就。

administrative是什么意思：
adj. 管理的；行政的

Administration Staff
行政人员

public administrator
公定遗产管理人

Convention on Succession and Administration of Estates
遗产继承和管理公约

authorities是什么意思：
n. 权力；行政管理机构；当局；当权者；权威；权威人士；威信；许可；授权书

The authority is not reasonable.
这个判例并不合理。

A person in authority, with authority, speaks slowly.
一个有权威，使用权利的人，说话很慢。

Do you have the balls to challenge authority?
你有挑战权威的胆量么？

competent是什么意思：
adj. 能胜任的；有效的；；有法定资格的；适当的

Stylistic competence is regarded as one of the component competences of communicative competence.
语体能力被看作是交际能力的一个重要组成部分。

She has a competent knowledge of law.
她对法律的足够了解。

He competed in a wheelchair.
他是坐在轮椅上参加的比赛。