adjective · shrewd and sharp-witted, often used to describe a playful or clever kind of slyness

他狡黠地眨了眨眼，似乎早已看穿了我的心思。

adjective · having or showing a cunning and deceitful nature; wily or underhanded

这个狡黠的商人总是能通过各种手段获取不正当利益。