falls, fell, fallen, falling

to fall down
phrasal verb

To fail or not succeed in achieving something
  • 1The plan will fall down if we don't get more funding.
  • 2His argument falls down when you consider the facts.
When you try to do something, but you do not finish it or do not do it well, it means you did not reach your goal. For example, if you want to pass a test but get a low score, you did not make it.
Card
People often say a project "fell down" when a team tried to finish it, but something important was missing or not done well, so the project did not work as planned.
at the art gallery
The Art Exhibition Setup
David
I heard the new art exhibition setup didn't go as planned.
Lisa
Yes, they really fell down on organizing the display.
David
That's unfortunate. I hope they can fix it before the opening.
Lisa
Me too, it would be a shame if it wasn't ready in time.
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