结构推理他悲叹一声，对我们说他年轻时也曾风光一时。(to breathe a sign of; to have seen a better day)

【正确答案】He breathed a sigh of sorrow and told us that he had seen a better day when he was young.

【答案解析】[翻译指导] “悲叹一声”还可译为heave a sigh of sorrow; see a better day表示“风光一时”。