《智囊(选录)·兵智部·赵充国》
到第二天天亮，军士们已依次全都安然渡过了河，羌人发觉之后，派了数百名骑兵，在汉军营帐附近出没进行骚扰。
及明，以次尽渡。虏数十百骑来，出入军旁。
By daybreak, the soldiers had all crossed the river safely and in order. When the Qiang discovered it, they sent hundreds of cavalry to ride around and harass the Han camp.