break cover वाक्य

Buckley breaks cover with the argument that Dubbaya's " career and pursuits underline an intuitive understanding of a division of duties ."
These three ships, which had been sheltering to the north of Ko Chang, wisely chose not to break cover and were not spotted by the French.
As the transaction is about to be completed, members of the Victoria Police, who are assisting Drury with surveillance, break cover prematurely and attempt to apprehend Williams, who consequently escapes arrest.