这个男孩不断的恶作剧，比如藏粉笔或拉椅子，让他的老师很烦恼。

The boy's constant ___rascality, like hiding chalk or pulling chairs, annoyed his teacher.

那群捣蛋鬼昨晚把公园的长椅都涂成了粉色。

The ___rascals painted all the park benches pink last night.