flog a dead horse

Meaning

1. (British, idiomatic) To attempt to get more out of something that cannot give more; to attempt to arouse fresh interest in something that is either hopeless or already settled.
2. (dated) To attempt to get extra work out of a ship's crew during the dead horse period.

Synonyms

waste money on

squander money on

Translations

Verschwendung

offene Türen einrennen

Vergeudung

Mangel an Sparsamkeit

gaspillage