Let’s start it over. 咱重新开始吧。

start over sth/start sth over 重新开始，从头再来

The file I was working on ismissing, so I have to start it all over again.我之前做的文件找不到了，所以我不得不重新再做。

Everyone deserves a chance tostart over.每个人都应该有重新来过的机会。