捣蛋鬼

nián qīng de mǔ qīn jiào xùn le nà xiē dǎo dàn guǐ

年轻的母亲教训了那些捣蛋鬼。

Young mothers who sorted all the troublemakers out.

zài zhè me dà de yī gè bān li bì rán huì yǒu jǐ gè dǎo dàn guǐ

在这么大的一个班里，必然会有几个捣蛋鬼。

In a class this size, there are bound to be a few troublemakers.