skull·dug·gery /ˌskʌlˈdʌg(ə)ri, ˈskʌlˌ/
  騙局;欺騙;陰謀
  skullduggery
       n : verbal misrepresentation intended to take advantage of you
           in some way [syn: trickery, hocus-pocus, slickness,
            hanky panky, jiggery-pokery, skulduggery]