He's a ruthless businessman, as I know to my cost.

我吃了苦头后才知道他是个无情的商人。

《牛津词典》

That's the truth, in so far as I know it.

就我所知，那是真实情况。

《牛津词典》

It only lasted a couple of years, as far as I know.

据我所知，它仅维持了几年。

《柯林斯英汉双解大词典》

Montclin did not move. "You know as well as I do that it is no use to tell Athnaise anything,"

VOA: special.2009.06.27

As far as I know, Skinner and Skinnerian psychologists were never directly involved in the creation of prisons.

据我所知，斯金纳和斯金纳行为主义心理学家们,从未直接参与过监狱的创建。

耶鲁公开课 - 心理学导论课程节选

So as far as I know, I know that for some computer science classes

所以据我所知，我知道有的计算机科学课

对于未来的技术 - SpeakingMax英语口语达人

Mr. Berger: As far as I know, Puerto Rico is still part of the United States.

CENTERFORSECURITYPOLICY: Freedom Flame 2013

As far as I know, he doesn't have any interest in running for mayor.

NPR: NYC Police Commish Says He's Not Running For Mayor

And I intend to work as hard as I know how to make sure we do.

WHITEHOUSE: Weekly Address: Ending the War in Afghanistan and Rebuilding America | The White House