C2idiom
Flogging a dead horse
헛수고를 하다 (이미 끝난 일에 계속 에너지를 낭비하다)
Wasting effort on something that has already been decided or is hopeless.
예문
Arguing that point now is just flogging a dead horse.
Stop flogging a dead horse — the decision is final.
헛수고를 하다 (이미 끝난 일에 계속 에너지를 낭비하다)
Wasting effort on something that has already been decided or is hopeless.
Arguing that point now is just flogging a dead horse.
Stop flogging a dead horse — the decision is final.