My little brother is naughty at the dinner table.
我弟弟在餐桌上很頑皮。
The teacher asked the naughty boys to be quiet.
老師要那些頑皮的男生安靜。
Mom said I was naughty for hiding her keys.
媽媽說我把她的鑰匙藏起來很頑皮。
Don't be naughty and share your toys with your sister.
不要頑皮,和妹妹分享你的玩具。