role reversal

1. N-VAR Role reversal is a situation in which two people have chosen or been forced to exchange their duties and responsibilities, so that each is now doing what the other used to do. 角色互換; 角色對調(diào)

...men who have undertaken the most extreme role reversal and become house husbands. ...那些進行了最極端的角色對調(diào)而成為家庭主夫的男人。