《资治通鉴·后晋纪·后晋纪五》
赵延寿把武装着的骑兵全部列阵于相州城下，好像要攻城的样子，符彦伦说： 这是胡虏将要退走而已。 
延寿悉陈甲骑于相州城下，若将攻城状，符彦伦曰： 此虏将走耳。 
Zhao Yanshou lined up all the armed cavalry under the city of Xiangzhou, as if he was going to attack the city. Fu Yanhun said: This is just that the Hulu is about to retreat. 
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 延寿悉陈甲骑于相州城下，若将攻城状，符彦伦曰： 此虏将走耳。  [/INST] Zhao Yanshou lined up all the armed cavalry under the city of Xiangzhou, as if he was going to attack the city. Fu Yanhun said: This is just that the Hulu is about to retreat. </s>
Identify the key themes in this Classical Chinese text and explain them in English: 延寿悉陈甲骑于相州城下，若将攻城状，符彦伦曰： 此虏将走耳。
user
Zhao Yanshou lined up all the armed cavalry under the city of Xiangzhou, as if he was going to attack the city. Fu Yanhun said: This is just that the Hulu is about to retreat.
assistant