刑事けいじ Common Noun English jmdict 1 noun (common) (futsuumeishi) (police) detective その泥棒は刑事を見ると走って逃げた。 The thief ran away at the sight of a detective. 2 noun (common) (futsuumeishi)noun or verb acting prenominally criminal matter
私服刑事しふくけいじ Noun English jmdict 1 noun (common) (futsuumeishi) plainclothes police officer;plain-clothes detective See also: 私服警官 (しふくけいかん)