Knowing that I find it on my own

独自探寻的我从未找到答案

on one's own 独自

例句：

I want to learn English on my own.

我想自学英语。

Cause if life ain't leading though where I can go

因为这一生我不知该何去何从

ain't =are not, am not, is not,=has not, have not

All of this timeI've been living it up

这一次我要精彩过活

Live up v.快乐地过日子；实践；不辜负

例句：

I hope Ican live up to the expectations of my parents.

我希望自己能够不辜负父母的期望。

Cause I'm tired ofbeing out here on my own

只因我已厌倦独自踏上征途

Be tired of 厌烦，厌倦

例句：

I'm tired of it, the same old story.

我已经厌倦了，都是老一套。