7th century BC) was an official of the State of Chu during the Spring and Autumn period.
In the run-up to the battle, Chu had forced Zheng to submit as its ally, defecting from Jin; this success in turn provoked Jin into sending a powerful army.
King Zhuang's original intention had been to water his horses at the Yellow River as a symbolic gesture and then return to Chu; this was supported by his premier, Sunshu Ao.
The King had already turned his chariot southwards, preparing to head home.
At the same time, he pointed out that while the Chu army was being personally commanded by the King, the Jin army was being commanded by the subordinates of the Duke of Jin; it would thus be especially humiliating for a king to retreat before a duke's servants.