optimistic
 (a.)樂觀的,樂觀主義的,樂天的


 op·ti·mis·tic /ˌɑptəˈmɪstɪk/ 形容詞



 Op·ti·mis·tic a.
 1. Metaph. Of or pertaining to optimism; tending, or conforming, to the opinion that all events are ordered for the best.
 2. Hopeful; sanguine; as, an optimistic view.

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 optimistic
      adj 1: expecting the best in this best of all possible worlds; "in
             an optimistic mood"; "optimistic plans"; "took an
             optimistic view" [ant: pessimistic]
      2: expecting the best; "an affirmative outlook" [syn: affirmative]