de·spon·den·cy /-dənsi/
  失去勇氣,失望
  De·spond·en·cy n. The state of desponding; loss of hope and cessation of effort; discouragement; depression or dejection of the mind.
     The unhappy prince seemed, during some days, to be sunk in despondency.   --Macaulay.
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  despondency
       n : feeling downcast and disheartened and hopeless [syn: despondence,
            heartsickness, disconsolateness]