I know how it works in general terms.

我大致知道其中的运作原理。

《牛津词典》

B: it's OK, I know how it works.

没关系，我知道行规。

youdao

I'm not naive, I know how it works.

我不是天真，我知道怎么回事。

youdao

I don't know, I didn't go to business school so I'm not exactly sure how it works.

我不知道，我没在商学院上过学，所以我也不清楚它到底是怎样的。

哥伦比亚的氛围 - SpeakingMax英语口语达人

We'll talk about how they work and we'll go over that quickly because I know most of you know something about how DNA what DNA is and how it works.

我们将讨论它们如何工作,我们讲的时侯会一带而过,因为我知道你们大多数人,知道一些关于DNA的知识,DNA是什么,它是如何工作的

耶鲁公开课 - 生物医学工程探索课程节选

"I am not the prime minister and don't know much about how the budget works but it seems to me the rebel MPs have come up with alternatives, " she said.

BBC: NEWS | UK | Politics | Med student's debt 'unacceptable'

Ms. DANIELLE PLETKA (American Enterprise Institute): The president is still the president, and the likelihood of him saying to any new secretary of defense - you know what, I'm bored with all this stuff, you go in a different direction, let me know how it works out for you - is not very great.

NPR: Gates Has Just Two Years to Make a Difference in Iraq