To flog a dead horse
Стегать мертвую лошадь (т. е. заниматься явно бесполезным делом).
Голую овцу стричь. Мертвого лечить.
Другие пословицы:
- If an ass (donkey) bray at you, don't bray at him
- An ass in a lion's skin
- All asses wag their ears
- Zeal without knowledge is a runaway horse
- An ass loaded with gold climbs to the top of the castle
- When pigs fly
- Dogs that put up many hares kill none
- To put (set) the cart before the horse
- All lay load on the willing horse
- It is an ill bird that fouls its own nest
- To lock the stable-door after the horse is stolen
- To fish in troubled waters
- It is a poor mouse that has only one hole
- Agues come on horseback, but go away on foot
- To cook a hare before catching him