老馬戀棧 [ㄌㄠˇ ㄇㄚˇ ㄌㄧㄢˋ ㄓㄢˋ; lao3 ma3 lian4 zhan4] lit. the old horse loves his stable fig. sb old but reluctant to relinquish their post (idiom) ◄ ►