“People were doing it on the sly anyway,”
Carlos Gomez
“A sly rogue is often in good dress”
Irish Sayings
“In the meantime, on the sly,Something's going on up high.Max has shown some foresight here,For he brought his fishing gear.”
Wilhelm Busch
“He's tough, ma'am, tough, is J. B. Tough and devilish sly!”
Charles Dickens
“Charlie got this sly look on his face, ... And then he said, 'I want you to put my ashes on all the original 315 peaks I climbed.'”
Richard Kane
“There's a reason they are called sly as a fox.”
Cathy Marco
“Dumb's a sly dog.”
Colley Cibber