我真的不知道为什么。

I really don't know why.

youdao

我真的不知道为什么自己总是给自己这些压力。

I really don't know why I am giving myself all these pressure.

youdao

我真的不知道为什么我没通过，我学习很刻苦啊！

I really don't know why I failed, I studied so hard!

youdao

我知道没有人可以帮我，只有自己站起来才是真的好起来了，我不知道为什么会怎样，想到这一点却做不到这一点。

I know that no one can help me, only their feet up is really good, I do not know why what they think of that can not do this.

youdao

最近真的很容易哭，我不知道为什么。

I do not know why I cry easily recently.

youdao

说真的，我不知道为什么有人要这么对我。

To be honest I have no idea why anyone would do this to me.

youdao

这两天自己真的很难受，我都不知道为什么？

This two days oneself be really suffered, I don't know why?

youdao

我不知道为什么我要买。它真的就是一本烂书。

I have no idea why I bought that. It's just airport fiction, really.

youdao

我不知道为什么，但我真的没觉得悲伤。

I don't really know why, but I don't feel sad.

youdao

我不知道为什么，但我真的没觉得悲伤。

I don't really know why, but I don't feel sad.

youdao