驽骀恋栈驽马恋栈nú tái liàn zhàn

an inferior horse hankers after the fodder in the manger;a jade is attached to its stable—an incompetent man clings to a good position
❍ 俗话说： “～。”他肯定不会放弃那个轻松而优厚的工作的。As the saying goes; “A jade is attached to its stable.To be sure,he will not give up that easy and well-paid job.