گزارش خطا در معنی کلمه 'on the sly'

1 general:: Furtively, secretly, as in She's always eating cookies on the sly. The adjective sly, which means "cunning" or "crafty," is here used as a noun. [c. 1800]

2 general:: Phrase(s): on the sly Fig. secretly and deceptively. • She was stealing little bits of money on the sly. • Martin was having an affair with the maid on the sly.