John often talks about his bypast life.

约翰经常和朋友谈论他过去的生活。

I studied English bypast , but my English is poor still.

在过去的日子里，我学习过英语，但我的英语还是很差。

Just don't wanna the bypast happiness totally disappear.

只是不想让过去的美好灰飞烟灭。