ide·al·ism /aɪˈdi(ə)ˌlɪzəm, ˈaɪ(ˌ)di-/
  唯心主義;理想主義
  I·de·al·ism n.
  1. The quality or state of being ideal.
  2. Conception of the ideal; imagery.
  3. Philos. The system or theory that denies the existence of material bodies, and teaches that we have no rational grounds to believe in the reality of anything but ideas and their relations.
  4. The practice or habit of giving or attributing ideal form or character to things; treatment of things in art or literature according to ideal standards or patterns; -- opposed to realism.
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  idealism
       n 1: (philosophy) the philosophical theory that ideas are the
            only reality
       2: impracticality by virtue of thinking of things in their
          ideal form rather than as they really are
       3: elevated ideals or conduct; the quality of believing that
          ideals should be pursued [syn: high-mindedness, noble-mindedness]