professional
US /prəˈfeʃ.ən.əl/
UK /prəˈfeʃ.ən.əl/

1.
2.
professionale, competente
having or showing the skill, good judgment, and polite behavior that is expected from a person who is trained to do a job well
:
•
Despite the pressure, she remained calm and professional.
Nonostante la pressione, è rimasta calma e professionale.
•
The service at the hotel was very professional.
Il servizio in hotel era molto professionale.
1.
professionista
a person engaged in a specified activity as their main paid occupation rather than as a pastime
:
•
He's a golf professional.
È un professionista del golf.
•
She decided to become a tennis professional.
Ha deciso di diventare una professionista del tennis.