1. 顽皮的;淘气的;不听话的
If you say that a child is naughty, you mean that they behave badly or do not do what they are told.
e.g. Girls, you're being very naughty...
姑娘们,你们真是淘气。
e.g. You naughty boy, you gave me such a fright.
你这调皮鬼,吓了我一跳。