驽

驽钝

nú dùn

(literary) dull

驽马

nú mǎ

(literary) inferior horse

驽马恋栈

nú mǎ liàn zhàn

lit. a worn-out horse is reluctant to leave the stable (idiom)

驽马恋栈豆

nú mǎ liàn zhàn dòu

see 駑馬戀棧|驽马恋栈[nu2 ma3 lian4 zhan4]