But what exactly would I be blaming her for?但我要怪她什么

blame someone for something:把某事的责任归咎于某人,因某事责怪某人

I don't blame her for dumping me.

我没有因为她抛弃我而责备她。

I blame him for not observing the rule.

我责备他没有遵守这个规则。

But if I was gonna get free, I'd have to do it on my own.但我必须要靠自己来获得自由

get free:获得自由

How can I get free of my vexation?

我怎么才能从我的烦恼中解脱出来?

on one's own:独自地； 独立地； 主动地

I was able to finish the job on my own.

我能独自地把工作做完。

He can be left to work on his own.

工作可交给他一个人去做。

相关短语:

on one's own initiative主动地

She helped her students on her own initiative.

她主动地帮助自己的学生。

on one's own account为自身利益

He did it on his own account, not for anyone else.

他做这件事是为自己的利益,而不是为别人。

stand on one's own feet独立自主

We should learn to stand on our own feet.

我们要学习依靠自己。