back to the drawing board
начать с чистого листа, начать всё с начала
Cora must have failed to achieve good results in her experiment so she had to go back to the drawing board.
Другие идиомы:
- get (someone's) back up
- back and forth
- put one's back into (something)
- scratch (someone's) back
- You scratch my back and I'll scratch yours.
- cover one's back
- pat on the back
- back-to-back
- back to the salt mines
- stab (someone) in the back
- back down (from someone or something)
- back up (someone or something)
- back down
- back to basics
- back the wrong horse