flogged a dead horse

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