故步自封
stand still and refuse to make progress; hold fast to established ways of doing things;be complacent and conservative (亦作“固步自封”)
故步自封故（固）ɡù bù zì fēnɡ
故步：原來的步伐；封：限制住。自己停留在原地。比喻安于現(xiàn)狀，不求上進。be complacement and conservative, be satisfied with old practices, get into a rut