continue to ask or try when there is no hope
They won't refund your money. You're beating a dead horse.
BEAT A DEAD HORSE
Meaning of BEAT A DEAD HORSE in English
Wayne Magnuson. English idioms vocabulary. Словарь английских идиом. 2012
continue to ask or try when there is no hope
They won't refund your money. You're beating a dead horse.
Wayne Magnuson. English idioms vocabulary. Словарь английских идиом. 2012