One's own person or character.

自我；自己。

The realization or embodiment of an abstract quality.

抽象意义之实现；代表；化身。

One's own private interest.

私利。

The essential qualities distinguishing one individual from another; individuality.

特性；个性。

Myself; himself; herself.

我自己；他(她)自己。

Same or very.

同一的。