《资治通鉴·汉纪·汉纪四十八》
北军五营校尉府的官兵，一向畏惧归服宦官，于是窦武的军队开始有人投奔王甫，从清晨到早饭时，几乎全部归降。
营府兵素畏服中官，于是武军稍稍归甫，自旦至食时，兵降略尽。
The officer and soldiers of the Northern Army's Five Colonels Camps had always been fearful of the eunuchs and obedient to them. So some of Dou Wu's soldiers began to defect to Wang Fu. From dawn to breakfast time, nearly all of them had defected.