"庆祝"的英语表达是 "celebrate"，如果你想用更具体的短语来表示庆祝活动，你可以使用以下短语：
mark the occasion with a celebration: 用庆祝来标记这个场合
commemorate an event: 纪念一个事件
throw a party/festivity/gathering: 举办派对/节日/聚会
have a bash: 狂欢一番
raise a toast: 举杯庆祝
These are just a few examples. The choice of word or phrase depends on the specific context and culture you are in.
