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:
- break the back of (something)
- behind (someone's) back
- back on one's feet
- back and forth
- behind one's back
- back-to-back
- cover one's back
- back the wrong horse
- back to square one
- scratch (someone's) back
- have one's back to the wall
- stab (someone) in the back
- back down
- back to the salt mines
- You scratch my back and I'll scratch yours.