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

1.
2.
profesjonalny, kompetentny
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.
Mimo presji, pozostała spokojna i profesjonalna.
•
The service at the hotel was very professional.
Obsługa w hotelu była bardzo profesjonalna.
1.
profesjonalista, specjalista
a person engaged in a specified activity as their main paid occupation rather than as a pastime
:
•
He's a golf professional.
Jest profesjonalistą w golfie.
•
She decided to become a tennis professional.
Zdecydowała się zostać profesjonalistką w tenisie.