flog a dead horse

listen to the pronunciation of flog a dead horse
Englisch - Türkisch
Englisch - Englisch
To attempt to get extra work out of a ship's crew during the dead horse period
To attempt to get more out of something that cannot give more
(deyim) Waste time on something that is a lost cause or likely to be unproductive, beat a dead horse [Amer.]
waste one's time and effort