ego 點解

解做”自我“，”自己“
the “I” or self of any person; a person as thinking, feeling, and willing, and distinguishing itself from the selves of others and from objects of its thought.
2.
Psychoanalysis. the part of the psychic apparatus that experiences and reacts to the outside world and thus mediates between the primitive drives of the id and the demands of the social and physical environment.

What is the meaning of ego ?
According to Dictionary, it is a noun which is referred to psychiatry that shows individual's perception or experience of himself; individual's capacity to think, feel, and act. (心理學) 自我; 個人的思想,感覺和行動的能力.