对不起，我让你失望了。

Gomenasai, I know i let you down.

youdao

对不起，我让你失望了。

I'm sorry to have made you disappointed.

youdao

我让你失望了，真对不起。

Sorry to let you feel depressed.

youdao

我让你失望了，真对不起。

Sorry to let you feel depressed.

youdao