《史记·七十列传·苏秦列传》
如今，济西、河北的兵力都被征发参战了，境内的防卫力量已很薄弱了。
今济西河北尽已役矣，封内敝矣。
Now, the troops from Jixi and Hebei have all been mobilized to participate in the war, and the defense force within the territory has become very weak.