I'm just disappointed by what you've done.

I'm just disappointed by what you've done.
I'm just disappointed by what you've done.

I'm just disappointed by what you've done.
我只是对你的所作所为感到失望

我仅仅是对你所做的感到失望

我只是对你坐过的事情感到很失望。

我只是对你所做的很失望!!