探たん偵てい業ぎょう

noun

detective work; detective business

Refers to the profession or industry of private investigation. Often used in contexts like licensing, business registration, or describing one's occupation.

• 彼かれは探たん偵てい業ぎょうを営いとなんでいる。

  He runs a detective business.

• 探たん偵てい業ぎょうの届とどけ出でを警けい察さつに提てい出しゅつした。

  I submitted a notification of detective business to the police.