professional
The German word 'professionell' is used to describe someone or something that is done with a high level of skill and competence, typically in a work or business setting. It can also refer to a professional person, such as a doctor or lawyer, who has a high level of expertise in their field. It is often used in a positive sense to indicate that someone is capable and experienced.
He works very professionally.
This sentence is used to describe someone who works with great care and skill, following the high standards expected in their job or industry.
The music group sounds professional.
This sentence is used to describe a music group whose sound is of high quality, as if made by professionals in the music industry.
They have a professional attitude.
This phrase is used to describe people who have a serious and focused attitude towards their work, making them reliable and expected to carry out a job well.