un·know·ing /-ˈnoɪŋ/
  (a.)沒發覺的;無知的;不詳的
  unknowing
       adj : lacking information or knowledge; "an unknowledgeable
             assistant" [syn: ignorant, unknowledgeable, unwitting]
       n : ignorance (especially of orthodox beliefs) [syn: ignorantness,
            nescience, unknowingness]