beat a dead horse
 

* 1.(Slang) continue to deal with an issue after it has been settled waste time on a task that will never succeed. continue to ask or try when there is no hope They won't refund your money. You're beating a dead horse

English Related Words* a dark horse

* a dead dog

* a dead giveaway

* a dead heat

* a dead loss

* a dead ringer

* a horse of a different color

* a horse of another color

* air,to beat the

* almost dead

* american saddle horse

* annual horse race

* apex beat

* arab horse

* arabian horse