驽马恋栈

nú mǎ liàn zhàn

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

fig. a mediocre worker clings to a good position

驽

nú

(literary) inferior horse

马

mǎ

abbr. for Malaysia 馬來西亞|马来西亚[Ma3 lai2 xi1 ya4]

恋

liàn

to feel attached to

栈

zhàn

a wooden or bamboo pen for sheep or cattle