criminal underworld

language: ja

definitions

  1. The organized community of criminals, gangs, and syndicates that operate illegal activities outside the law and often in secret.
    ja: 裏社会

examples

  1. The police are working hard to infiltrate the criminal underworld and dismantle the drug smuggling ring.

    警察は裏社会に潜入し、麻薬密輸ネットワークを解体するために懸命に働いている。