Advisers, then, must do more than pass the comfort test - they need a certain expertise.

Gathering guests in a restaurant was fun and required a certain expertise.

"I have a certain expertise in the interrogation of prisoners," Qaval said.

Choosing the right muni for a particular portfolio requires a certain expertise.

This common quality is the certain expertise (techne) in one subject.

I speak with a certain expertise, for I'm part of this movement.

There's a certain expertise that we have in the diagnosis of these disorders.

There is a certain expertise and there are capabilities on the Union side.

The bats had a certain expertise, but even they must have relied somewhat upon their eyes.

I have a certain expertise in this situation.