undercover

潜入捜査

A planned secret activity.

計画された秘密活動。

潜入警官

A police officer on a secret mission.

秘密の任務に就いている警察官。

A secret agent working in a covert role.

A police detective working in disguise.

A secret assignment or task.

A deceptive operation designed to catch criminals.

潜入取材記者

A journalist who works in disguise to get a story.

記事を得るために変装して働くジャーナリスト。

Police forces operating secretly.

潜入活動

Employment or activity done secretly.

秘密裏に行われる雇用または活動。

A policeman working in a covert role.