《宋史·列传·卷三十一》
他的马受重伤不能前进，于是他被契丹兵捉住，他的儿子杨延玉也战死在这里。
马重伤不能进，遂为契丹所擒，其子延玉亦没焉。
His horse was badly damaged and could not advance, so he was captured by the Khitan army, and his son Yang Yanyu was also killed here.
<s>[INST] First, translate the Classical Chinese text into modern Chinese and then into English. Classical Chinese: 马重伤不能进，遂为契丹所擒，其子延玉亦没焉。 [/INST] 他的马受重伤不能前进，于是他被契丹兵捉住，他的儿子杨延玉也战死在这里。 Then, His horse was badly damaged and could not advance, so he was captured by the Khitan army, and his son Yang Yanyu was also killed here.</s>
First, translate the Classical Chinese text into modern Chinese and then into English. Classical Chinese: 马重伤不能进，遂为契丹所擒，其子延玉亦没焉。
user
他的马受重伤不能前进，于是他被契丹兵捉住，他的儿子杨延玉也战死在这里。 Then, His horse was badly damaged and could not advance, so he was captured by the Khitan army, and his son Yang Yanyu was also killed here.
assistant