flog a dead horse in Russian
flog a dead horse in Russian
напрасно стараться
(British, idiomatic) To attempt to get more out of something that cannot give more; to attempt to arouse fresh interest in something that is either hopeless or already settled.
решето́м во́ду носи́ть
(British, idiomatic) To attempt to get more out of something that cannot give more; to attempt to arouse fresh interest in something that is either hopeless or already settled.