Just make sure you know who's playing who, who's in the disguise of what.

现在希望你明白了谁在男扮女装，谁爱了谁。

She disguises herself as a man and calls herself Cesario because she knows she'll be more protected in the disguise of a man.

她把伪装成一个男人，叫撒里奥，因为她知道伪装成男人会更受保护。