the main character in a play, film or book （戏剧、电影、书的）主要人物，主人公，主角 Extra Examplescompare heroTopics Film and theatrec2, Literature and writingc2The main protagonist is a cruel, selfish man. 主角是一个残酷，自私的人。 At that time, films rarely had a woman as the main protagonist. 那时候，电影很少让女性做主角。 Bohi Di, first person narrator and protagonist of the novel 博希•迪，小说的第一人称叙述者和主人公 Oliver Twist, the young protagonist 年轻主人公奥利弗·特威斯（Oliver Twist）
one of the main people in a real event, especially a competition, battle or struggle （比赛、斗争中的）主要人物，主要参与者 an active supporter of a policy or movement, especially one that is trying to change something （政策、运动的）倡导者，拥护者 a leading protagonist of the conservation movement 资源保护运动的急先锋
Word Originlate 17th cent.: from Greek prōtagōnistēs, from prōtos ‘first in importance’ + agōnistēs ‘actor’.