老馬識途（老馬識途）　

◎ 老馬識途 lǎomǎ-shítú

[an experienced man knows the ropes;knowledge of a veteran; an old hand is a good guid as an old horse knows the way; the devil knows many things because he is old] 比喻富于經(jīng)驗堪為先導

老馬識途添病骨,窮猿投樹擇深枝。——清· 黃景仁《兩當軒集》