flog a dead horse
This is a polysemous word. Please browse the following two senses: Chinese words < / Li > < li > in vain: (Ireland) short stories by Samuel Beckett < / Li > < UL > in vain
flog a dead horse
Holding the jade and cherishing the jade - wò yú huái yù
focus on only one aspect and neglect all the others - jǔ yī fèi bǎi