un·hap·py /-ˈhæpi/
  (a.)不幸的,不愉快的,不幸福的
  Un·hap·py a.
  1. Not happy or fortunate; unfortunate; unlucky; as, affairs have taken an unhappy turn.
  2. In a degree miserable or wretched; not happy; sad; sorrowful; as, children render their parents unhappy by misconduct.
  3. Marked by infelicity; evil; calamitous; as, an unhappy day. “The unhappy morn.”
  4. Mischievous; wanton; wicked. [Obs.]
  -- Un*hap*pi*ly adv. -- Un*hap*pi*ness, n.
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  unhappy
       adj 1: experiencing or marked by or causing sadness or sorrow or
              discontent; "unhappy over her departure"; "unhappy
              with her raise"; "after the argument they lapsed into
              an unhappy silence"; "had an unhappy time at school";
              "the unhappy (or sad) news"; "he looks so sad" [ant: happy]
       2: generalized feeling of distress [syn: dysphoric, distressed]
          [ant: euphoric]
       3: causing discomfort; "the unhappy truth"
       4: marked by or producing unhappiness; "infelicitous
          circumstances"; "unhappy caravans, straggling afoot
          through swamps and canebrakes"- American Guide Series
          [syn: infelicitous]
       [also: unhappiest, unhappier]