alter ego noun
plural alter egos
plural alter egos
Learner's definition of ALTER EGO
[count]
1
: a different version of yourself第二自我;个性的另一面 ◊ A character in a book or film is sometimes viewed as an author's alter ego. A role that an actor often plays is sometimes described as the actor's alter ego.书或电影中的角色有时被看作是作者的第二自我。演员经常扮演的角色有时被认为是演员的第二自我。
2
: a close friend who thinks or feels similarly to the way you think or feel挚友;知己