inferiority
  下等;劣等;下級;下位
  in·fe·ri·or·i·ty /(ˌ)ɪnˌfɪrɪˈɔrətɪ, ˈɑr-/ 名詞
  自卑,卑劣,低劣
  In·fe·ri·or·i·ty  The state of being inferior; a lower state or condition; as, inferiority of rank, of talents, of age, of worth.
     A deep sense of our own great inferiority.   --Boyle.
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  inferiority
       n 1: the state of being inferior [syn: lower status, lower
            rank]
       2: an inferior quality [syn: low quality] [ant: superiority,
           superiority]
       3: the quality of being a competitive disadvantage [syn: unfavorable
          position]