5. Trick or Treating is a modern Halloween custom where children go from house to house dressed in costume, asking for treats like candy or toys. If they don't get any treats, they might play a trick (mischief or prank) on the owners of the house.

　　Trick or Treating是现代万圣节的风俗。孩子们穿着特殊的衣服走街串巷，讨取糖果和玩具之类的赏赐。如果他们得不到任何的赏赐，就可能会对屋主大搞恶作剧或者胡闹了。