- a children's custom of calling at houses at Halloween with the threat of pranks if they are not given a small gift (often used as a greeting by children doing this)“不请吃就捣蛋”（指万圣节孩子们挨家挨户要糖果等礼物, 如不遂愿便恶作剧一番的风俗）。
no obj.
trick-or-treat
take part in the custom of trick or treat加入要糖果者的行列：kids are going to go trick-or-treating tomorrow night.
明天晚上孩子们将要挨家挨户索要糖果。
派生词