退避三舍
Retreating about Thirty Miles as Condition For Peace
During the Spring and Autumn Period (770-476 B.C.), Duke Xian of the State of Jin Killed the crown prince Sheng because he had heard slanders about Sheng and believed them. He also sent his men to arrest Chong Er, Shen Sheng and believed them. He also sent his men to arrest Chonh Er, Shen Sheng's brother. Hearing the news, Chong Er escaped from the state of Jin, remaining a fugitive for more than ten years.