partying       
noun [ U ] uk/ˈpɑː.ti.ɪŋ/ us/ˈpɑːr.t̬i.ɪŋ/
 (尤指在聚会上)吃喝玩乐,狂欢
the activity of enjoying yourself, especially at a party, for example by drinking alcohol and dancing
  His love of partying is legendary. 他对聚会玩乐的热爱是传奇性的。 
 She pops down for a meeting and likes what she sees - wild partying and champagne flowing. 她顺便下来开会,眼前的一切让她喜欢:狂野的聚会玩乐,流水般的香槟。 
 - More examples
 - He was there to spend the night after an evening of partying elsewhere.
 - I stopped all the partying and made Andy the focus of my life.
 - The trees are going up, the presents are being bought and wrapped, and the partying has begun.