他的一切工作都具有权威性。

All his work bears the stamp of authority.

《牛津词典》

他仪态威严，声音深沉而有权威。

He has a commanding presence and deep, authoritative voice.

《柯林斯英汉双解大词典》

他面色苍白、皮肤呈深色、有权威性，带着你可能期待的一位诺贝尔奖得主的那种庄严。

He is pale, dark, and authoritative, with the gravitas you might expect of a Nobel prize winner.

《柯林斯英汉双解大词典》

So, the authority of the canon that he invokes to defend himself in fact suggests perhaps that he has some doubts? Yes.

因此，那些他用来维护他自己的大炮的权威,表明了他实际上是有怀疑的。

耶鲁公开课 - 1945年后的美国小说课程节选