Start from scratch
start from scratch /skrætʃ/
白手起家;从零开始
This phrase means that someone starts a business without any financial support and finally succeeds.
这个短语指的是某人在没有任何经济支持的情况下创业，并最后获得成功。
In this situation, he has to start from scratch again.
在这种情况下，他只能再从零开始了。
It's quite hard for him to start from scratch.
对他来说，从零开始非常困难。
