Amid this backdrop Sir John ordered the General Post Office (GPO) covertly to monitor the King's telephone calls.
He will not be able to support—either overtly or covertly—Israeli military strikes.
A junta can do it, using their military power to overtly or covertly control decisions at the highest level.
They will find ways to punish you covertly and reward those that do go along with their narrative.
Healy glanced at Phil swiftly, covertly, as the latter adjusted the glasses.
I answered this by some sort of grunt, watching him covertly.
covertly at first, and then openly, Stillwater began seriously to question Mr. Taggett's method of working up the case.
"Thanks for the invitation," he said aloud, as he covertly nursed his right hand.
Then she whispered, covertly, how rich Polly Brewster wasshe owned a great gold mine all in her own rights.
Opening one of them, covertly, they found it was a supply of dried beef.