I'm very disappointed ...我对他的任性感到很失望,请教后面如何补充

I'm very disappointed ...我对他的任性感到很失望,请教后面如何补充
I'm very disappointed ...
我对他的任性感到很失望,请教后面如何补充

I'm very disappointed ...我对他的任性感到很失望,请教后面如何补充
I'm very disappointed of your behavior;
I'm very disappointed that you got everyone unhappy;