Wàn / shèng / jié / qián / yè / hái / zi / men / chuān / shàng / qí / zhuāng / yì / fú / qù / cān / jiā / pài / duì

万圣节前夜，孩子们穿上奇装异服去参加派对。

On Halloween eve, the children dressed up in unusual costumes and went to a party.