地ち下か組そ織しき

noun

underground organization; clandestine group

Refers to a group operating secretly, often for political, criminal, or resistance purposes.

• 警けい察さつはその地ち下か組そ織しきのメンバーを逮たい捕ほした。

  The police arrested members of the underground organization.

• 彼かれは反はん政せい府ふの地ち下か組そ織しきに関かかわっていた。

  He was involved with an anti-government underground organization.