The self is the only knowable existent.

自我是唯一可知的存在物。

《牛津词典》

At any rate that certainly is not knowable a priori.

不管怎样，那肯定不是一个可知的先验。

youdao

We have this clever illusion that the world is a knowable place.

我们有这种聪明的幻觉，就是世界是个可认知的地方。

youdao

Well, "Home Burial" is a poem about the limits of work, the inability of the worker to bring a knowable world, a safe world, into being.

家冢“是他创作的极限之作，一个无能的工人让一个可知的世界，一个安全的世界存在。

耶鲁公开课 - 现代诗歌课程节选

The margin of difference in most elections is tangible, it's knowable -- it's right here in this room.

WHITEHOUSE: The White House

All this was knowable when A123 went public, and when the U.S. Department of Energy marched down the electric-car path.

FORBES: A123 Bites the Dust Because They Forgot Their ABCs

Now, the difference with the Valdez -- the Valdez was a knowable quantity of oil because it was a ship.

WHITEHOUSE: Press Briefing on Oil Spill in Gulf of Mexico