An expert was called for advice.

The best thing to do is to ask an expert to repair it.

Most experts think a lot of his theory.

Boeing's safety experts have joined others in the industry to form an international task force to try to eliminate one particular kind of air crash known as controlled flight into terrain, CFIT.

Leave that job to the experts!

The specialist predicts international tension will build up.

Even the experts took the painting for a genuine Rembrandt.

The aviation expert analyzed the statistics in detail.

Jean is something less than an expert pianist.

You're not an expert at this job any more than I am.