un·lucky /-ˈlʌki/
 (a.)不吉利的,不祥的,不幸的
 Un·luck·y a.
 1. Not lucky; not successful; unfortunate; ill-fated; unhappy; as, an unlucky man; an unlucky adventure; an unlucky throw of dice; an unlucky game.
 Note: ☞ This word is properly applied to incidents in which failure results from chance or fortuity, as in games of hazard, rather than from lack or feebleness of effort.
 2. Bringing bad luck; ill-omened; inauspicious.
    Haunt me not with that unlucky face.   --Dryden.
 3. Mischievous; as, an unlucky wag. [Colloq.]
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 unlucky
      adj 1: having or bringing misfortune; "Friday the 13th is an
             unlucky date" [syn: luckless] [ant: lucky]
      2: marked by or promising bad fortune; "their business venture
         was doomed from the start"; "an ill-fated business
         venture"; "an ill-starred romance"; "the unlucky prisoner
         was again put in irons"- W.H.Prescott [syn: doomed, ill-fated,
          ill-omened, ill-starred]