Coloured flags added to the festivity of the scene.五颜六色的彩旗使这场面增加了欢庆气氛。There was a general air of festivity and abandon.到处是一派纵情狂欢的气氛。The decorations give the hall an air of festivity.这些装饰物给大厅增添了喜庆气氛。There was an air of festivity in the village.村里一片欢庆气氛。