《宋史·列传·卷四十九》
恰巧曹利用的侄儿曹做赵州兵马监押，而州民赵德崇上京状告曹的不法行为。
会从子汭为赵州兵马监押，而州民赵德崇诣阙告汭不法事。
It just so happened that Cao Liyong’s nephew Cao made his way to serve as the military envoy of Zhaozhou, and Zhao Desheng, a local resident in the state, went to the capital to accuse Cao of his illegal acts.