And in this case friendship and professional caution married uncomfortably.

The word "almost" struck a chilling note, but I decided that this was merely professional caution.

I appreciate your professional caution, but believe me, he's psychotic.

It was a matter of professional caution, nothing more.

He hated to place personal prejudice above his professional caution, but a conclusion was inescapable.

Partly also from his professional caution, which urged him never to take any chances.

"Get off your professional caution, Hugh, and admit what's obvious."

His professional caution, he said, stemmed from the rough markets of the 1970's.

Hence the professional caution with people in pain.

Even with his professional caution aroused, Victor found himself warming to her.