square one
成語所屬單字square
square one — 慣用語
1. the starting point of a task or process, especially after a failure that forces
1.慣用語
釋義
the starting point of a task or process, especially after a failure that forces you to begin again
例句
The recipe did not work the first time, so Romi started from square one again.
The software completely failed, and we had to go back to square one.