The sharp had walked into a game between professionals.

There may be differences of opinion between competent professionals in a particular field.

A bit of distance between professionals and their customers is not a bad thing.

However, little research has been conducted to date about the conflicts between partners, professionals, and the mother.

It can also be used in conversation between medical professionals and patients.

But here, until recently, insider activity was a matter between professionals.

His definition of the difference between amateurs and professionals became the standard.

There must be some last line of defense between Olympic athletes and utter professionals.

That power relationship between professionals and citizens is one which requires regulation of the kind we have been talking about.

"Just don't seem to know the difference between amateurs and professionals."