nt to lie in ambush in a secret place among the hills till the Tianshui army left the city； when he was to rush in and capture it。 His spies reported the departure of the Governor； and only civil officials remained within the city。 Zhao Yun sent on the news to those who were acting with him； Zhang Yi and Gao Xiang； that they might attack Ma Zun。
Zhao Yun and his five thousand troops then quickly marched to the city wall and called out； 〃I am Zhao Yun of Changshan。 You have fallen into our trap； but if you will surrender quickly； you will save many lives。〃
But instead of being alarmed； Liang Xu looked down from the wall and said； 〃On the contrary； you have fallen into our trap。 Only you do not know it yet！〃
Zhao Yun began his attack on the walls。 Soon there was heard a roar； and fire broke out all round； and forth came a youthful leader armed with a spear； riding a curvetting steed。
〃Look at me； Jiang Wei of Tianshui！〃 cried he。
Zhao Yun made at him； but after a few bouts he found Jiang Wei was getting very eager。
Zhao Yun was surprised； and wondered； 〃No one knows there is such an able man in Tianshui。〃
As the fight went on； along came the two other forces under Ma Zun and Liang Qian； now returning。 As Zhao Yun found he could not prevail； he set to cut an alley through and lead off his defeated troops。 He was pursued； but Zhang Yi and Gao Xiang poured forth to save him； and he got away safely。
Zhuge Liang was surprised when he heard what had happened。
〃Who is this？〃 said he。 〃Who has thus seen into the dark depths of my secret plan？〃
A man of Nanan； who happened to be there； told him； 〃He is Jiang Wei from Jicheng of Tianshui County。 He is very filial to his mother。 Civil skill and military prowess； w