《新唐书·列传·卷一百四十九》
那时诸屯都筑了工事坚守。天大雨，溪流暴涨，贼兵不能进。
时诸屯坚壁，大雨，溪垘流溃，贼不得进。
By then, all the guarded military stores had been fortified and defended. As it was raining heavily, the river flooded and the enemy couldn’t advance.