un·hap·pi·ly /ˌʌnˈhæpəli/
  (ad.)不幸地
  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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  unhappily
       adv 1: in an unpleasant way; "they were unhappily married" [ant: happily]
       2: in an unfortunate way; "sadly he died before he could see
          his grandchild" [syn: sadly] [ant: happily]