《宋史·列传·卷四十九》
在此之前，蒋偕、张忠都因轻敌而战败阵亡，官军声威大衰。
先是，蒋偕、张忠皆轻敌败死，军声大沮。
Before this, Jiang Xie and Zhang Zhong had both been defeated and killed in action after underestimating the enemy, and the prestige of the imperial troops had fallen drastically.