Meanings of know a deal in English

I know a deal of material science; but nothing like this.

If not, they are disagreeable people who know a deal too much about you.

As you say, I know a deal too much.

I know a deal's been made.

I may not know all things, Chingatok, nevertheless I know a deal more than you can guess at.

One of them said, Ah, that is what I ought to have done long ago; I know a deal better than I do.

I know a deal of Shakespeare, although I never read one of his plays, and never could witness a Shakespearean performance without having the fidgets.

Roger knows a deal of natural history, and finds out queer things sometimes.

The statesman, who had once been young, knew a deal about woman, and he smiled.

But he did know a little law, and he also knew a deal of history.

"There are some," the stranger said, "who know a deal about them."

Orme and Halldis had both been heathens and knew a deal about Frey and Redbeard, as they called Thor.

At all events he knows a deal about you, and began, after a while, pumping me about your sister.

"It seems to me that you knows a deal more than you should."

Nay, Jim; I'll stay with you a few days, but Belcher knows a deal more about training than I do.

Here's a boy knows a deal more Latin and Greek, at thirteen, than I do, who am ten years older.