你这次真的令我很失望。

You've really let me down this time.

youdao

你做这个项目不够努力，这令我很失望。

I'm disappointed by your lack of effort on this project.

youdao

你所做的事令我感到很失望。

What you have done really makes me disappointed.

youdao

你所做的事令我感到很失望。

What you have done really makes me disappointed.

youdao