Sharpless asks Suzuki to comfort her mistress and to persuade her to give up her child to Kate. Pinkerton is overcome by his memories. Reproached by Sharpless and crushed by remorse, he Bids a tearful farewell to the past and departs.

• 夏普勒斯请铃木好生安慰她的女主人,并请她动员蝴蝶放弃孩子,交给凯特。平克顿见景生情,回忆起往事,不能自己。他挨了夏普勒斯的责备,悔恨交加,告别过去的一切,挥泪而去。