a final performance or effort (especially before retirement)
例句
用作名词 (n.)
This book is believed to be his swan song. 认为这本书是他的最后一部作品。
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. 这位歌唱家本星期在巴黎演唱的全部门票都销售一空——显然，公众认为这将是她最后一次告别演出。
美
