no use
Dead in the water.
This idiom or expression means:
Nothing can be done.
When someone says “We’re dead in the water,” they mean something like “There’s nothing we can do.”
Like trying to sweep sand off the beach
in
This idiom or expression like sentence means:
It’s no use.
It won’t do any good.
It’s a waste of time and effort.
Also:
Like bringing a cup of water to a forest fire.
