mor·tal·ly /ˈmɔrtḷi/
  (ad.)致命地;非常地;人性上地
  Mor·tal·ly, adv.
  1. In a mortal manner; so as to cause death; as, mortally wounded.
  2. In the manner of a mortal or of mortal beings.
     I was mortally brought forth.   --Shak.
  3. In an extreme degree; to the point of dying or causing death; desperately; as, mortally jealous.
     Adrian mortally envied poets, painters, and artificers, in works wherein he had a vein to excel.   --Bacon.
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  mortally
       adv : in such a manner that death ensues (also in reference to
             hatred, jealousy, fear, etc.); "a being of whom the
             forest Indians are said to be mortally afraid, with a
             hoof shaped like the heel of a bottle"