If they aren't playing tricks on people in the middle of the night, then they're changing into various shapes to give them a scare.
不是夜半拿著竹竿在岸邊或路口作弄人，就是變出各種形狀「給人好看」。而傳說中不同的鬼還有不同的「專長」：餓鬼的本事是讓人生病，然後討些好吃的；水鬼會找替死鬼，甚至化身為魚，四處遊盪；還有的鬼專門和家禽家畜作對，弄得雞飛狗跳。