ob·fus·cate /ˈɑbfəˌsket; ɑbˈfʌsˌket, əb-/
  (vt.)弄暗,使糢糊,使迷亂
  Ob·fus·cate a.  Obfuscated; darkened; obscured. [Obs.] [Written also offuscate.]
  Ob·fus·cate v. t. [imp. & p. p. Obfuscated p. pr. & vb. n. Obfuscating.]
  1. To darken; to obscure; to becloud.
  2. Hence: To confuse; to bewilder; to make unclear.
     His head, like a smokejack, the funnel unswept, and the ideas whirling round and round about in it, all obfuscated and darkened over with fuliginous matter.   --Sterne.
     Clouds of passion which might obfuscate the intellects of meaner females.   --Sir. W. Scott.
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  obfuscate
       v : make obscure or unclear [ant: clarify]