那群小淘气鬼又把老师的粉笔藏起来了。

Those little ___rapscallions hid the teacher's chalk again.

那些小捣蛋鬼又偷偷把老师的粉笔藏起来了，真是个可爱的恶作剧！

Those little ___rapscallions hid the teacher's chalk again—what a playful mischief!