somebody's alter egoan invented person that you use to represent part of your character that is very different from your usual one 某人的第二自我,某人个性的另一面 Gissing used his fictional alter ego to attack Victorian morals. 吉辛用小说中的第二自我抨击维多利亚时代的道德观。
→ somebody’s alter ego at alter ego(1)