《宋书·列传·卷五十二》
当年胡人侵扰，纵马江边，抵抗他们的措施，大约出于权宜之计。
昔胡寇纵逸，朔马临江，抗御之宜，盖出权计。
When the Hu invaded that year, they rode their horses to the riverside. The measures to resist them were probably due to expediency.
<s>[INST] Transpose the following Modern Chinese text into Classical Chinese: 当年胡人侵扰，纵马江边，抵抗他们的措施，大约出于权宜之计。 [/INST] 昔胡寇纵逸，朔马临江，抗御之宜，盖出权计。</s>
Transpose the following Modern Chinese text into Classical Chinese: 当年胡人侵扰，纵马江边，抵抗他们的措施，大约出于权宜之计。
user
昔胡寇纵逸，朔马临江，抗御之宜，盖出权计。
assistant