At my side, the others were looking me up and down with professional interest.

Her main professional interest is young people's use of media technology.

I have found this case to be of great professional interest.

It is not the sort of place in which I had any professional interest.

Such things were serious, but not matters of great professional interest.

They were, once again, the simple objects of my professional interest.

But he still took a professional interest in the detective business.

Among those with a professional interest in food, not surprisingly, the name still means a lot.

As such these foods present a challenge to those who have a professional interest in food.

The agent's dark brown eyes were filled with nothing beyond professional interest.