Sentence examples for not know exactly from inspiring English sources

He does not know exactly why.

Researchers do not know exactly what causes hot flashes.

DOENITZ: I do not know exactly what that means.

But scientists do not know exactly how common microchimerism is.

But we did not know exactly what it was".

I do not know exactly how I decided.

Awil does not know exactly how old he is.

Even now she does not know exactly what happened.

Researchers do not know exactly how the device works.

His new caretakers did not know exactly what to expect.

And who did not know exactly what he meant?