《北史·列传·卷三十七》
孝武帝西奔长安，沿途吃的东西断绝，侍从的官吏常常三两天只靠喝山涧的水过日子。
车驾西幸，浆糗乏绝，侍官三二日间，唯饮涧水。
Emperor Xiaowu headed west to Chang'an. Along the way he had nothing to eat, and the officials in his retinue often had to rely on drinking mountain spring water for two or three days.