21.   His political defection blew that cover.

22.   His performance against the Cougars, though, blew his cover.

23.   I feared our cover was blown.

24.   In some cases, she blows her cover at the end of a mystery shop on purpose, to reward employees who have performed especially well.

25.   Inwardly, we blanched, worried that our cover was blown.

26.   It was the president himself who almost blew her cover last week.

27.   Its assignment is to slip into a cocktail unnoticed and try not to blow its cover.

28.   Knowing that the Kimeses were suspects in a murder, and fearing that their cover had been blown, the detective decided not to.

29.   Not wanting to blow his cover, Eddie kills one of the agents in self-defense.

30.   One news crew filmed her car and an article listed her address, blowing her cover.