名詞 swan song:

1. a final performance or effort (especially before retirement)
   同義詞：last hurrah

1. All the tickets have been sold for the singer's performance in Paris this week-the public clearly believes that this will be her swan song.
   這位歌唱家本星期在巴黎演唱的全部門票都銷售一空——顯然，公眾認為這將是她最后一次告別演出。