English version

undercover in Crime & law topic

From Longman Dictionary of Contemporary Englishundercoverun‧der‧cov‧er /ˌʌndəˈkʌvə◂ $ -dərˈkʌvər◂/ adjective [only before noun]  SCSECRETundercover work is done secretly by the police in order to catch criminals or find out information an undercover investigationundercover policeman/cop/agent etc undercover detectivessee thesaurus at secretundercover adverb a cop who goes undercover to catch drug dealers He worked undercover in Germany and Northern Ireland.
Examples from the Corpus
undercoverI want to apply to become an undercover agent.How about undercover angels dressed as Batman and Robin?People dived aside as undercover cops ambushed a planned post office raid.However, the two men he approached to arrange the murder were undercover detectives and Taylor and his daughter were arrested.Then I heard the slap-slap-slap of rubber-soled feet coming across the yard and did what any ice-cool undercover dude would do.He was arrested after trying to sell guns to an undercover FBI agent.an undercover investigationSix members of a drug-smuggling gang were arrested after an 18-month undercover police operation.One final question seems pertinent: What would the response have been had Mr Brettell's offence involved instead an undercover policewoman?In a rare public statement, the tough undercover soldiers - whose motto is Who Dares Wins - have apologised.The unit is equipped to deal with a variety of situations, including undercover surveillance.undercover investigationThe two-year undercover investigation which culminated Thursday, involved 130 searches in 36 states.