alter ego

中文含义：有两种不同的含义，一种是指一个人的另一个自我，通常指与现实自己不同的一种人格；另一种是指与自己经常在一起的密友。

英语词性：noun

美式发音：ɔːltər ˈiːɡoʊ

同义词：other self, second self

易混淆单词：alteration, egoism

例句：

1. He has a secret alter ego who is a popular singer and songwriter.

2. She confided in her alter ego to relieve her anxiety and stress.

双语例句：

1. His alter ego is brave, confident and charming, while he himself is shy and introverted.（他的另一个自我勇敢、自信、有魅力；而他自己则害羞、内向。）

2. As an IT specialist, she created her alter ego online to escape from the real world and express her creativity.（作为一名IT专家，她在网上创造了她的另一个自我，以逃离现实世界并表达自己的创造力。）