With a large circle of knowledge, but outside the circle is so much blank, for me it means ignorance.

用一个大圆圈所学到的知识，但是圆圈之外是那么多的空白，对我来说就意味着无知。

youdao

As the circle of knowledge expands, so does the darkness of the envelope.

当知识的圆周扩大之时，包裹它的黑暗的圆周也一样。

youdao

As our circle of knowledge expands, so does the unknown circle we face.

当我们的知识之圆扩大之时，我们所面临的未知的圆周也一样。

youdao

Fastow's job was to confirm those previous reports--and drag Lay into the same circle of knowledge.

FORBES: Magazine Article

And, like the Vick negotiations, the pursuit was kept in a tight circle of people with that knowledge.

FORBES: The Eagle Has Landed In Philadelphia

The truth is that neither the U.S. intelligence community, nor the International Atomic Energy Agency, nor anybody else outside a very small circle in Iran has certain knowledge about the current state of Irans nuclear-weapons program, or how far it is from producing one or more usable devices.

CENTERFORSECURITYPOLICY: Where��s our Churchill?