گزارش خطا در معنی کلمه 'flog a dead horse'

1 general:: Phrase(s): flog a dead horse [and] beat a dead horse Fig. to insist on talking about something that no one is interested in, or that has already been thoroughly discussed. • The history teacher lectured us every day about the importance of studying history, until we begged him to stop flogging a dead horse. • Jill: I think I’ll write the company president another letter asking him to prohibit smoking. Jane: There’s no use beating a dead horse, Jill; he’s already decided to let people smoke.