If someone is trying to convince people to do or feel something without any hope of succeeding, they're flogging a dead horse. This is used when someone is trying to raise interest in an issue that no - one supports anymore; beating a dead horse will not make it do any more work
Meaning: Waste time on something that has already been attempted and is no longer worthwhile
Example: Arguing about this issue is just flogging a dead horse
شلاق زدن اسب مرده ( تلاش بیهوده، اتلاف وقت بدون نتیجه مثبت ) .
مترادف: beating a dead horse
Flogging a dead horse is an idiom that means a particular effort is a waste of time as there will be no outcome, such as in the example of flogging a dead horse, which will not cause it to do any useful work.
برابر اصطلاح فارسی"آب در هاون کوبیدن"
به چَم "کار بیهوده انجام دادن"
