公园里那些爱恶作剧的小孩总喜欢捉弄遛狗的人。

The little ___mischief-makers in the park always enjoy playing tricks on people walking their dogs.

这些捣蛋鬼把教室的粉笔全藏了起来。

The ___mischief-makers hid all the chalk in the classroom.