wipe the slate clean

US /waɪp ðə sleɪt kliːn/
UK /waɪp ðə sleɪt kliːn/
"wipe the slate clean" picture
1.

既往不咎, 重新开始

to forget past mistakes or problems and start again with a fresh outlook

:
After their argument, they decided to wipe the slate clean and move forward.
争吵之后,他们决定既往不咎,向前看。
The new management promised to wipe the slate clean and address all previous issues.
新管理层承诺既往不咎,解决所有之前的问题。