男主角
英文： hero; leading man; male title role; chief actor
例句及用法：
1、The hero of Doctor Zhivago dies in 1929.
《日瓦戈医生》的男主角于1929年去世。
2、In this movie, he played the leading man.
在这部电影里，他是男主角。
3、What did you think of the love scene between her and the male title rol?
关于她同男主角之间爱情的那一个场面你觉得怎么样？
4、I hope that we both are the starred in the story, you are the chief actor.
我希望我们都是故事里的主角，你是男主角。
女主角
英文： heroine; feminine [female] lead; leading lady; female leading role
例句及用法：
1、She's the prettiest, most ethereal romantic heroine in the movies.
她是所有电影中最美丽、最飘逸的爱情女主角。
2、I hope you can do the lens inside the female lead.
希望你可以做我镜头里面的女主角。
3、She did the leading lady in several comedies.
她在若干喜剧中扮演过女主角。
4、But strong beautiful this kind of beautiful appearance is in the poem inside of female leading role romance can extensive display, and have its deep bom background.
而壮美这种美的形态在女性主角恋情诗中得以广泛展示，是有其深厚的生成背景的。