This is the 7194th most frequent Korean word.
주연을
"주연을" means "the lead role" or "main role" in English.
In this sentence, '주연을' indicates the leading role that the person performed in the movie.
그녀는 영화에서 주연을 맡았다.
She took the lead role in the movie.
Here, '주연을' conveys that the person acted as the main character in the play.
그는 학교 연극에서 주연을 하며 관객을 감동시켰다.
He played the lead in the school play and impressed the audience.
In this context, '주연을' implies the concept of effectively playing the main character in a performance.