老马识途：管仲跟随齐桓公去打仗，回来时迷失了路途。管仲放老马在前面走，就找到了道路（见于《韩非子·说林》）。（比喻）有经验，能带领新手工作
According to Hanfeizi·Forest of Commentaries, Guan Zhong lost his way on his return from a battle under the command of Duke Huan of Qi, but he eventually found his way home by letting his mount, an old horse, lead the way. (fig.) an old hand is a good guide
