法官制服体现了法律的权威。

The judge's uniform shows the ___authority of the law.

学校管理部门决定延长图书馆开放时间。

The school ___authority decided to extend the library opening hours.

他讲解历史问题时总是充满权威感。

He discusses historical issues with great ___authority.

没有上级的授权，你不能签署这份合同。

You can't sign this contract without proper ___authority.