Each young man was impressed with the other's professional abilities.

No, because getting stoned would impair his professional abilities to work.

A degree shows not only certain professional abilities, but also stamina and a bit of work ethic.

"Your trust in my professional ability," said the pilot, "is touching."

The obvious question was: how do you measure a teacher's professional ability?

"This helps establish a new sport in which a sailor with professional ability can play and hopefully make a living."

He said he hoped professional ability would be the selection standard.

I do not want any clouds on the man's professional ability, General.

The army neither required professional ability nor provided professional training.

No reflection on my professional ability, of course they only want to be helpful.