professional englanniksi - Sanakirja.org (englanti-englanti)

Of, pertaining to, or in accordance with the (usually high) standards of a profession.
That is carried out for money, especially as a livelihood.
(by extension) Expert.

I have learned that there is a person attached to a golf club called a professional. Find out who fills that post at the Green Meadow Club; [...] invite the professional, urgently, to dine with us this evening.
His forefathers had been, as a rule, professional men—physicians and lawyers; his grandfather died under the walls of Chapultepec Castle while twisting a tourniquet for a cursing dragoon; an uncle remained indefinitely at Malvern Hill;.