in·con·sis·ten·cy /ˌɪnkənˈsɪstən(t)si/
  不一致,不調和,矛盾
  inconsistency
  不一致性
  In·con·sist·en·cy n.; pl. Inconsistencies
  1. The quality or state of being inconsistent; discordance in respect to sentiment or action; such contrariety between two things that both can not exist or be true together; disagreement; incompatibility.
     There is a perfect inconsistency between that which is of debt and that which is of free gift.   --South.
  2. Absurdity in argument ore narration; incoherence or irreconcilability in the parts of a statement, argument, or narration; that which is inconsistent.
     If a man would register all his opinions upon love, politics, religion, and learning, what a bundle of inconsistencies and contradictions would appear at last!   --Swift.
  3. Lack of stability or uniformity; unsteadiness; changeableness; variableness.
     Mutability of temper, and inconsistency with ourselves, is the greatest weakness of human nature.   --Addison.
  ◄ ►
  inconsistency
       n 1: the relation between propositions that cannot both be true
            at the same time [syn: incompatibility, mutual
            exclusiveness, repugnance]
       2: the quality of being inconsistent and lacking a harmonious
          uniformity among things or parts [ant: consistency]