n.[U]

1. 理想主義
   His idealism was injured by the remark.

   他的理想主義被那個評論所傷害。

2. 【哲】唯心論；觀念論，理念論
   Your idealism made you believe in the existence of supernatural beings.

   你的唯心論使你相信超自然生命的存在。

3. 唯心主義
   My wife is writing a paper about subjective idealism.

   我妻子正在寫一篇關於主觀唯心主義的文章。

n.

1. the practice of forming or pursuing ideals, especially unrealistically.
2. (in art or literature) the representation of things in ideal form.
3. Philosophy  any of various systems of thought in which the objects of knowledge are held to be in some way dependent on the activity of mind.