万圣节是西方的一个重要节日，通常于每年的10月31日庆祝。这个节日起源于古代凯尔特人的传统节日，用来庆祝夏季结束，冬季开始。随着基督教在欧洲的传播，这个节日融合了许多基督教元素，如纪念所有已故的基督教信徒。如今，万圣节已经成为一个全球性的庆祝活动，人们穿上各种鬼怪装扮，化妆成各种形象，举行派对和游行，享受这个神秘、恐怖的节日。

Halloween, an important festival in western countries, is usually celebrated on October 31st each year. The festival originated from the traditional festival of the ancient Celts, which was used to celebrate the end of summer and the beginning of winter. With the spread of Christianity in Europe, this festival has integrated many Christian elements, such as commemorating all deceased Christian believers. Today, Halloween has become a global celebration, where people dress up in various ghostly costumes, makeup in various forms, hold parties and parades, and enjoy this mysterious and terrifying festival.