《北史·列传·卷六十一》
偏将达奚长儒率两千多名骑兵开辟另一条战线与敌作战，被敌兵包围，虞庆则按兵不动，不出兵救援。
偏将达奚长儒率骑兵二千人别道邀贼，为虏所围，庆则按营不救。
Lieutenant General Daxichangru led more than 2,000 cavalrymen to open another front to fight against the enemy, and was surrounded by the enemy. Yu Qingze held his troops still and did not send troops to rescue them.