"No, it's bloom," hastened Cornelia, covertly wiping it off.
But he might covertly reveal himself to one who understood him well.
She watches him covertly, uneasily, longing for the end of the run.
I answered this by some sort of grunt, watching him covertly.
"Thanks for the invitation," he said aloud, as he covertly nursed his right hand.
Opening one of them, covertly, they found it was a supply of dried beef.
He stood by the roulette table, but he watched her covertly.
Your Langevin is but an intruder who covertly slipped into my family.
There I took my stand, looking not at the sea but covertly at the little group.
So covertly did they plot, that no one ever dreamt of their machinations.