for·mi·da·ble /ˈfɔrmədəbəl; fɔrˈmɪ, fɚ/
 (a.)強大的,可怕的,艱難的
 For·mi·da·ble a.  Exciting fear or apprehension; impressing dread; adapted to excite fear and deter from approach, encounter, or undertaking; alarming.
    They seemed to fear the formodable sight.   --Dryden.
    I swell my preface into a volume, and make it formidable, when you see so many pages behind.   --Drydn.
 Syn: -- Dreadful; fearful; terrible; frightful; shocking; horrible; terrific; tremendous.
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 formidable
      adj 1: extremely impressive in strength or excellence; "a
             formidable opponent"; "the challenge was formidable";
             "had a formidable array of compositions to his
             credit"; "the formidable army of brains at the Prime
             Minister's disposal"
      2: inspiring fear; "the formidable prospect of major surgery";
         "a tougher and more redoubtable adversary than the
         heel-clicking, jackbooted fanatic"- G.H.Johnston;
         "something unnerving and prisonlike about high gray wall"
         [syn: redoubtable, unnerving]