共謀 [ㄍㄨㄥˋ ㄇㄡˊ; gong4 mou2]
  to scheme together
  to conspire
  joint plan
  conspiracy
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  共謀
  きょうぼう
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  conspiracy
  collusion
  complicity
  being in cahoots
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