《史记·三十世家·晋世家》
听说楚国已降服郑国，郑伯脱去上衣露出胳膊与楚国结盟，楚军就回去了，荀林父想班师回晋。
闻楚已服郑，郑伯肉袒与盟而去，荀林父欲还。
Hearing that the state of Chu had surrendered to the state of Zheng, Zheng Bo took off his shirt to show his arm and made an alliance with the state of Chu, the Chu army then returned, and Xun Lin Fu wanted to return to the Jin army.