Sentence examples for they are professional from inspiring English sources

They are professional players.

They are professional agitators.

They are professional troublemakers.

"They are professional trained people.

"They are professional people: judges, lawyers, doctors.

"They are professional, seasoned," Jacobson said.

"They are professional childcarers not criminal psychologists.

They are professional followers, entrappers and interlocutors.

In business terms, they are "professional service producers".

Make no mistake, these are unofficial apps that aren't supported by the actual companies - yet they are professional-grade.

That is, they use it to signify that they are 'professional' when they start working – rather than drinking soft fizzy drinks".