《左传·僖公·僖公二十八年》
在城濮的战役中，晋军的中军在沼泽地遇到大风，丢掉了前军左边的大旗。
城濮之战，晋中军风于泽，亡大旆之左旃。
During the Battle of Chengpu, the central army of the Jin army encountered a strong wind in the marshland, and they lost the left flag of the front army.