authority on

基本解释

We see him as an authority on the subject.
我们把他看作为这方面的权威。
learning.wenda.sogou.com
With that course and a bit of tinkering in my free time, I became an authority on the subject.
通过那个课程以及在业余时间的一些修炼，我成为这方面的权威。
“I call this the ‘Bimbo Effect, ’” said Hamermesh, considered an authority on the association between beauty and the labor market.
“我把这个称为“蠢女人效应”。哈默梅什，这个劳动力市场和美貌之间关系的权威说到。

Richard Pipes,a leading authority on Russia and a former anti-Soviet crusader who served in the Reagan administration, also stresses Mr.Gorbachev's pivotal role.
He became an authority, really one could say the authority on virtually everything.
他成为权威，一位真正可说是,几乎所有事物的权威。
耶鲁公开课 - 政治哲学导论课程节选
And I'm no scientist and I'm no specialist in sort of empirical matters, and believe me, I'm no authority on quantum mechanics, our best theory of fundamental physics.
我不是科学家,也不是实证方面的专家,相信我,关于量子力学,我并没有发言权,那可是基础物理中最经典的理论
耶鲁公开课 - 死亡课程节选

Calderon is really going to have to stamp his authority on the office right away.
NPR: Court President Backs Calderon Win in Mexico