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:
- cover one's back
- back up (someone or something)
- pat on the back
- back on one's feet
- You scratch my back and I'll scratch yours.
- scratch (someone's) back
- back out (of something)
- turn one's back on (someone or something)
- back to basics
- give (someone) the shirt off one's back
- have one's back to the wall
- put one's back into (something)
- get (someone's) back up
- stab (someone) in the back
- on (someone's) back