clean the slate

基本解释

So, if I confess, it'll clean the slate, right?
好啊，你們不是很好玩嗎。
When you clean off the slate, take care not to break it.
在帶保險套時小心不要被手指甲劃破。
http://dict.hjenglish.com
To really make the clean slate method work for you, it’s helpful to set a purge deadline.
想要讓那些簡化的方法真正的爲你所用，設置一個排氣的截止日期是非常有用的。

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.
這幾乎就是從一張白紙重新創作,甚至比起,我認爲,比起緊隨羅馬陷落而出現的分裂更有價值,因爲這兩者有一個巨大的差別
耶魯公開課 - 古希臘歷史簡介課程節選

It's based on flawed assumptions that - the first of which is that we can just kind of wipe the slate clean after three and a half years of sacrifice and death and the president gets a do-over.
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Batman Begins also showed that wiping the slate clean and starting over was completely fine.
FORBES: Christopher Nolan Delivers Super Hero Perfection With The Dark Knight Rises
Simonsen also reads Clean Slate, the real estate blog of Better Homes and Gardens.
FORBES: Real Estate Feature