DICT.TW Dictionary Taiwan

 up·beat /ˈʌpˌbit/
 弱拍,上升,興旺(a.)樂觀的

 upbeat
      adj : pleasantly (even unrealistically) optimistic [syn: cheerful,
             pollyannaish]
      n 1: a contented state of being happy and healthy and prosperous;
           "the town was finally on the upbeat after our recent
           troubles" [syn: wellbeing, well-being, welfare, eudaemonia,
            eudaimonia] [ant: ill-being]
      2: an unaccented beat (especially the last beat of a measure)