和昨天的我说再见，用英文怎么说？

start with a clean slate
start all over again

or literally, you can say
given the chance, i shall never repeat those mistakes i commited in the past=)

为什么你翻译得那么抽象哦
不可以直译的吗？

say bye to what I was.

因为英文和中文不同

say good bye to my yesterday.