《后汉书·列传·独行列传》
延平中，鲜卑数百人侵犯渔阳，太守张显率领吏士追逐出塞，远望虏营烟火，紧紧追赶。
延平中，鲜卑数百余骑寇渔阳，太守张显率吏士追出塞，遥望虏营烟火，急趣之。
During the Yanping period, hundreds of Xianbei people invaded Yuyang. The prefect Zhang Xian led the officials and soldiers to pursue them out of the pass. He saw smoke and fire from the enemy camp in the distance and chased after them closely.