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.

Name	Pronounced	Usage
Horst	HAWRST	German
Hyde	[haid]
Fiorella	fyo-REL-lah	Italian
Mariel	MER-ee-əl, MAR-ee-əl	English
Varvara	vahr-VAH-rah (Russian)	Russian, Greek, Bulgarian, Macedonian
Hajna	HAWY-naw	Hungarian