blow someone's cover

to reveal someone's secret, or their true identity

TRANSLATION

blow someone's cover = jmd. enttarnen, jmd. auffliegen lassen --- GOOGLE INDEX blow someone's cover: approximately 100,000 Google hits

STATISTICS

IN THE PRESS

Al-Qaeda mastermind Harun Abdullah Fazul BLEW HIS COVER when he left behind his shaving machine, as he fled from his hideout in Malindi to escape arrest by Kenyan authorities, a Mombasa court has been told.

(The Standard)

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According to The Daily Telegraph, an awaiting chauffeur held up an iPad with the famous director's name which ultimately BLEW HIS COVER.

(The Daily Mail)

Did you
know?

blow someone's cover
idiom

- to make known secret information about who someone is and what they are doing

(Cambridge Dictionary)

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The verb "blow," which stems from the Old English "blawan" (breathe, make an air current, ignite, inflate; sound a wind instrument), has taken on various meanings over the past few centuries.

In addition to the basic sense of sending out air (The wind blew very hard during the storm), it can also mean to spend (He blew a lot of money on a new car), to destroy (His behaviour blew any chance of being promoted), to burst or explode (The car blew a tyre on the motorway), to fail (The computer blew in the middle of my presentation) or to leave in a hurry (Let's blow this boring party).

Blow is also used in several other idioms such as:

- blow someone's mind = to amaze (The special effects in the movie just blew my mind!)

- blow one's stack = to become very angry (When he found out his flight was cancelled, he blew his stack)

- blow smoke = to exaggerate or talk deceptively (Don't mind him, he's just blowing smoke)

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SMUGGLE OWAD into today's conversation

"Following their divorce, his wife informed the press and blew his cover."

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