They have a vast knowledge of snakes in the field.

Then, drawing upon his vast knowledge, he identified the sound.

She is often called the Healthcare correspondent because of her vast knowledge on the subject.

"Butch brings a vast knowledge of the game and experience."

I have based the program on my own vast knowledge of fishing.

Over the years of her accumulated age, she has gained vast knowledge.

He seemed to be once again implying she had vast knowledge of men.

The Shadow would have to draw upon his vast knowledge now.

He might be able to identify it, too, with his vast knowledge of European history.

"It is perhaps his idea that he can use your vast knowledge."