blow someone's cover
- to tell people who someone really is or what they are really doing, especially when doing this puts that person in danger or spoils a plan
One mistake could blow our agent's cover and ruin years of careful investigation.
English dictionary. 2014.
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blow someone's cover — (informal) To reveal someone s identity • • • Main Entry: ↑blow * * * blow someone’s cover phrase to tell people who someone really is or what they are really doing, especially when doing this puts that person in danger or spoils a plan One… … Useful english dictionary
blow someone's cover — blow (someone s) cover to let people know secret information about who someone is or what someone is doing. Someone recognised him and phoned the newspapers, which blew his cover … New idioms dictionary
blow someone’s cover — tv. to reveal someone’s true identity; to ruin someone’s scheme for concealment. □ The dog recognized me and blew my cover. □ I didn’t mean to blow your cover … Dictionary of American slang and colloquial expressions
blow cover — blow (someone s) cover to let people know secret information about who someone is or what someone is doing. Someone recognised him and phoned the newspapers, which blew his cover … New idioms dictionary
blow — I [[t]blo͟ʊ[/t]] VERB USES ♦♦ blows, blowing, blew, blown (Please look at category 15 to see if the expression you are looking for is shown under another headword.) 1) VERB When a wind or breeze blows, the air moves. A chill wind blew at the top… … English dictionary
cover — [[t]kʌ̱və(r)[/t]] ♦ covers, covering, covered 1) VERB If you cover something, you place something else over it in order to protect it, hide it, or close it. [V n with n] Cover the casserole with a tight fitting lid... [V n] He whimpered and co … English dictionary
blow — I UK [bləʊ] / US [bloʊ] verb Word forms blow : present tense I/you/we/they blow he/she/it blows present participle blowing past tense blew UK [bluː] / US [blu] past participle blown UK [bləʊn] / US [bloʊn] *** 1) a) [intransitive] if wind or air… … English dictionary
cover — cov|er1 [ kʌvər ] verb transitive *** ▸ 1 put something over something else ▸ 2 be all over something ▸ 3 include and deal with ▸ 4 report/describe ▸ 5 provide insurance ▸ 6 have enough money for ▸ 7 travel a distance ▸ 8 perform someone else s… … Usage of the words and phrases in modern English
blow — Ⅰ. blow  ► VERB (past blew; past part. blown) 1) (of wind) move creating an air current. 2) propel or be propelled by the wind. 3) expel air through pursed lips. 4) force air through the mouth into (an instrument) to make a sound … English terms dictionary
blow — blow1 [blō] vi. blew, blown, blowing [ME blowen < OE blawan < IE * bhlē : see BLAST] 1. to move with some force: said of the wind or a current of air 2. to send forth air with or as with the mouth 3. to pant; be breathless … English World dictionary