a person in authority的用法和样例：
- A mutiny is a refusal by people, usually soldiers or sailors, to continue obeying a person in authority.
- A person in charge of stage machinery.
- Tell a person in authority, giving as many detailsas you can. If you are too nervous to see this person on your own, take along a friend.
- She entered her apartment like a person in a fog.
- A person in charge of a parade or ceremony.