be an authority

基本解释

So I do not claim to be an authority.
所以我并不宣称自己是权威人士。
He fancied himself to be an authority.
他自认为是一个权威。
And as authorities, the outbound links they choose to make carry that much more value (you don't get to be an authority in your field by randomly linking out to irrelevant, junk sites).
而作为权威网站，在选择网站作为自己的导出链接时，也会选择更有价值的（如果你想成为业界权威网站，就不能随随便便链接到不相关的垃圾网站上）。

That is to say, if something causes literature, there must be some sort of authority behind it and therefore we find ourselves asking, "What is an author?"
即是说，如果文学有缘由的，它的背后一定存在作者,所以我们会问，“作者是谁？“
耶鲁公开课 - 文学理论导论课程节选
The great Milton can be invoked here because he has already been established as an authority.
伟大的弥尔顿在这里之所以被引用,是因为他已经确立了他的权威。
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It's a question rather of how we know the author to be there, firstly, and secondly, whether or not in attempting we should appeal to the authority of an author.
首先我们如何知道作者在那儿，其次，决定文本意义的时候,如果作者只是一种功能。
耶鲁公开课 - 文学理论导论课程节选

Becoming a thought leader is regularly the most effective way to be recognized as an authority in your field.
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