Reed is extremely knowledgeable about suicide because his sister killed herself.

He will bring an extremely knowledgeable fan's point of view and look at the sport with a smile.

"They're passionate about their recordings and at the same time extremely knowledgeable," she said.

It didn't surprise her to learn that he was extremely knowledgeable where his subject was concerned.

He is extremely knowledgeable on the subject, and I am still something of an idealist at heart.

Sometimes an extremely knowledgeable, intelligent and well designed system with a simple text box can be as, if not more effective.

The sales people at Jesurum were extremely knowledgeable and helpful.

"Some kids are extremely knowledgeable, but they don't have the words or vocabulary to express that knowledge," he said.

"He is extremely knowledgeable and is sensitive to everyone's needs."

He was considered as an extremely knowledgeable and influential person in the Senate debates on arms control.