残渣馀孽
      Explanation: Metaphor in the process of elimination or phase-out remnants of the bad guys down. Evil, evil.
      Source: "Historical Research" 3 in 1976: "As many of the other evil slave residue was concentrated in Nanyang, Nanyang therefore the custom is 'exaggerated extravagance, the air force, for the merchants' (" Geography "), become a 'hard system Yu' place. "