start from scratch

Traducciones
начать с нуля
After losing all the data, they had to start the project from scratch.
После потери всех данных им пришлось начать проект с нуля.
Definiciones
To begin something from the very beginning, without using anything that already exists or any previous work as a foundation.
Palabras
scratch

noun
царапина
start

verb
начинать