Leuchter has said he is not an engineer and misled people about his expertise.

Some research centers have been seeking publicity about their expertise or new findings.

Soon we were giving interviews about our personal expertise and paranormal powers.

As he ate, Ryan wondered about the woman's expertise with the switchblade.

Finally, he had them thinking about his thoughts and his expertise.

"I know a certain helm-boy who is going to be talking about your culinary expertise for some time to come."

He was always humble, though, about his own expertise.

We need not be apologetic any longer about our expertise.

I mean to say, is there concern about her expertise?

That says a great deal about his expertise and reputation.