back to the drawing board
idiomPart ofdrawing
back to the drawing board — idiom
1. used to say that a plan, design, or idea has failed and a completely new approac
1.idiom
Definition
used to say that a plan, design, or idea has failed and a completely new approach is needed
Example
The prototype did not work, so the team went back to the drawing board.
After the client rejected the proposal, Tamás realised it was back to the drawing board.