I'm really upset

我真的很心烦。

I'm really upset.
我真的很心烦。
What's going on, girl?
你怎么了，小女生？
I'm very confused now.
我现在很烦。
That really bothers me.
那真的让我很烦。
He always bored me.
他总是让我很烦。
What he said troubled me a lot.
他说的话使我烦。

It pains me to hear that.

听到这些我很难过。

It pains me to hear that.
听到这些我很难过。
Come on. It's not a big deal.
行了，这没什么大不了的。
I'm really sorry about that, but I have no idea what to do.
对此我很难过，但我真的不知道该怎么办。
His denial hurts me.
他的拒绝让我很难过。