a shrewd merchant with a mischievous smile subtly switches a shiny apple for a bruised one while the customer looks away. He smoothly slides the bad apple into the customer's basket while hiding the good one behind his back. The customer turns back around, completely unaware of the sneaky swap that just occurred. Other shoppers in the background continue browsing while the merchant maintains an innocent expression. A small child nearby notices the trick and points with wide eyes. someone being clever and skillful in a cunning and deceitful way