undercover in English: Working in secret with a false name or job, so that nobody knows who you really are. (adjective)

Translation

Working in secret with a false name or job, so that nobody knows who you really are.

Word origin

From under plus cover: someone working under a cover, a hidden name and story.

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"Undercover" describes someone whose real job is hidden.

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Here it is an adverb: she worked in secret.

filmed .

Reporters also go undercover to find hidden stories.

secret

Something you know but do not tell other people.

spy

A person whose secret job is to find out what another country or company is doing.

police

The official group of people whose job is to stop crime and keep people safe.

hide

To put something where it cannot be seen, or to go where no one can find you.

detective

A police officer, or another person, whose job is to find out who did a crime.

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