plow the sands

plow the sands

To do something that seems futile. I know that I'm just plowing the sands by telling you to stay away from that boy, but I'm your father, and I don't want to see you get hurt. That couch will never fit up the steps—tell them to stop plowing the sands!
See also: plow, sand
Farlex Dictionary of Idioms.

plough the sand

labour uselessly.
Ploughing the sand has been a proverbial image of fruitless activity since the late 16th century.
See also: plough, sand
Farlex Partner Idioms Dictionary
See also:
  • address (one's) comments to (someone or something)
  • address comments or remarks to
  • address (one's) remarks to (someone or something)
  • be in it for
  • away from it all
  • be at a disadvantage
  • at a disadvantage
  • be more than (something)
  • be more than glad, ready, etc.
  • a run on (something)