“Back to the drawing board” means:
Start again on a new design or plan after the failure of an earlier attempt.
From: http://www.phrases.org.uk/meanings/back-to-the-drawing-board.html
“Back to the drawing board” means:
Start again on a new design or plan after the failure of an earlier attempt.
From: http://www.phrases.org.uk/meanings/back-to-the-drawing-board.html