【食古不化】〖shí g bù huà〗[follow the beaten track; cling conservatively to the old system; be fettered by old conventions; wedded to one's habits; pedantic]

食前方丈寡头官，

古色古香豪宅殿。

不可偏废公有制，

化公为私剥削残。

对所学的古代知识理解得不深不透，不善于按现在的情况来运用，跟吃下东西不消化一样。To what one has majored in knowledge well understood not deep not transparent, not good at press now situation come application, with eat thing not digestion same. 同：泥古不化、墨守成规。反：推陈出新。歇：一本经书看到老。谜：固。