undercover
BrE /ˈʌndəkəvə/ AmE /ˌʌndərˈkoʊvər/
adjective / noun en → es
working as a police officer or detective in secret, without showing your identity to the people you are investigating
en secreto, encubierto
- be undercover
Collocations undercover agent · undercover operation
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The police sent an undercover officer into the club.
La policía envió a un agente encubierto al club.
not shown or known about, but existing and affecting something
oculto, secreto
- be undercover
Collocations undercover costs · undercover agenda
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There are many hidden costs that aren't mentioned in the brochure.
Hay muchos costos ocultos que no se mencionan en el folleto.