Back to square one
Back to the beginning, with all previous progress lost.
English
Back to square one
Tiếng Việt
Trở lại vạch xuất phát.
Công sức đổ sông đổ bể, phải bắt đầu lại từ đầu.
Examples
- The client rejected the whole design, so we are back to square one.
- The file was corrupted and we went back to square one.