a clean slate

基本解释

In 1945 the UN’s founders had a clean slate to write upon, because everything had been destroyed.
1945年，联合国的创立是发起人在空白历史上写下的，因为一切都已被毁坏。
Make sure you head into marriage with a clean slate of honesty as it relates to both your feelings and your feelings for her.
确保你的婚姻以全新的坦诚相待做开端，因为这关系到你的感受和你对她的感受。
So starting with a clean slate must be very tempting, but then again, it would be a huge engineering effort for them to do this.
因此，从零开始肯定是非常有吸引力的，不过话又说回来，这么做对于他们而言将是一项巨大的工程。

The creation almost of a clean slate, even more so I would argue than the disruption that it came after the fall of Rome, because there's one big difference.
这几乎就是从一张白纸重新创作,甚至比起,我认为,比起紧随罗马陷落而出现的分裂更有价值,因为这两者有一个巨大的差别
耶鲁公开课 - 古希腊历史简介课程节选

Startups are the only businesses able to set their culture and values from a clean slate.
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Have a journal, we'll get a clean slate, honey, at the journal burning party.
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They would pay everything off, and start over with a clean slate, the way they always used to.
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