His grandchild is a naughty boy.

他的孙子是个淘气的男孩。

The naughty boy is shouting!

那个淘气的男孩在高呼！

The naughty boy is crying!

这个淘气的男孩正在哭泣！

There was a very naughty boy in the nursery.

幼儿园里有一个十分淘气的男孩。

You really deserve a good beating, you naughty boy.

你这个调皮孩子真该打。