弟弟非常顽皮的英文怎么说

在中文中，你可以用 "弟弟非常顽皮" 来描述你的弟弟很顽皮。这句话的来源是源自中文，并没有直接的英文翻译。

如果你想用英文来描述你的弟弟非常顽皮，你可以使用下列英文表达：

My younger brother is extremely mischievous.
My younger brother is very naughty.
My younger brother is a real handful.

这些表达都可以用来描述一个顽皮的人。例如：

My younger brother is extremely mischievous. He's always getting into trouble and causing chaos.
My younger brother is very naughty. He never pstens to me and always wants to do things his own way.
My younger brother is a real handful. He's always causing trouble and never seems to sit still.

希望这些例句能帮到你！