DICT.TW Dictionary Taiwan

 out of the blue
 晴天霹靂地,突然,出乎意料地

 out of the blue
      adj : not anticipated; "unanticipated and disconcerting lines of
            development"- H.W.Glidden; "unforeseen circumstances";
            "a virtue unlooked-for in people so full of energy";
            "like a bolt out of the blue" [syn: unanticipated, unforeseen,
             unlooked-for, out of the blue(p)]
      adv : in a way that was not expected; "her brother showed up at
            the wedding out of the blue" [syn: unexpectedly]