Definition: used when you are saying something that someone already knows Level: B1
正如你所知，我们一直在尝试联系他。
___As ___you ___know, we have been trying to contact him.
正如你所知，我现在在纽约。
___As ___you ___know, I am in New York.
正如你所知，会议十点开始。
___As ___you ___know, the meeting starts at 10.
