This is the 9611th most frequent Portuguese word.
convencidos
"Convencidos" means "convinced" or "self-assured" in English.
In this sentence, 'convencidos' is used as an adjective in the plural form to describe the state of being confident about the correctness of the theory.
Eles estão convencidos de que a teoria está correta.
They are convinced that the theory is correct.
Here, 'convencidos' functions as an adjective, indicating the students who have a strong belief or self-assurance about their learning status.
Os alunos convencidos acreditam que não precisam estudar mais.
The convinced students believe they don't need to study further.
In this example, 'convencidos' is used as an adjective in the plural form to indicate the apparent state of conviction about something.