Our design for a solar-powered washing machine didn't work, so it's back to square one.

我们的太阳能洗衣机设计方案失败，所有的一切都要重新开始。

youdao

My secretary has left my one and only manuscript in the taxi, so I'll have to write the book all over again. It's back to square one.

秘书把我唯一的一份手稿丢在出租车上了，我只好重写这本书，一切从头开始。

youdao

It's as if we're back to square one with the deep, right?

这就像一切都回到了原点？

耶鲁公开课 - 旧约导论课程节选

The Commission's report comes a month after Mr Osborne urged its members not to send the government's proposed reform "back to square one" by "unpicking" the consensus on how it should be carried out.

BBC: Business