41.   They have already blown their cover.

42.   This included a top-secret assessment of the leadership succession in China from a U.S. agent whose life would be forfeited if the raw data blew his cover.

43.   This time her cover was blown.

44.   Those who love Liszt for the wrong reasons soon find their cover blown, their second-rateness betrayed.

45.   What the Wisconsin furor has done, however, is blow the cover of pro-life advocates who say they are aiming only at the late-term procedure.

46.   When the lid of my teapot dropped into my heavy Greek-diner mug, I think my cover was blown.

47.   Yes, it must have been the shoes that caused so many missed tackles and blown defensive covers.

48.   Green-uniformed officers patrol its dusty gray paving, backed by plainclothes police whose cover often is blown by the crackling walkie-talkies tucked in their waistbands.

49.   He told his Irish police handlers of the plot and asked his operators to come up with a way to sabotage it without blowing his cover.

50.   Sergueiew claimed that her transmissions to the Germans included a secret code, which if left out would reveal that her cover was blown.