As you verb...
As you know/see
알다시피 이건 내가 산 컴퓨터야.
As you know, this is the computer I bought.
보시다시피 고양이가 저보다 더 커졌어요.
As you can see, the cat has grown bigger than me.
들었다시피
As you have heard
저번에 말했다시피
As I said last time
Watch Out!
If you put 하다 after it, it has a completely different meaning. See: -다시피 하다