I'm sorry I let you down.

对不起，我令你失望了。

youdao

I'm sorry I let you down.

很抱歉我让你失望了！

youdao

I am most awfully sorry to let you down.

叫您失望我感到非常抱歉。

youdao

I am terribly sorry if I let you down.

让你失望了，对此我非常抱歉。

youdao

I am sorry to let you down.

对不起，让你失望了。

youdao

"I"m sorry to tell you our client has turned down the ads we did for him. Let"s meet at 2 o"clock and brainstorm ideas. "

这个经理说：“我很抱歉我得告诉你们，我们的顾客不喜欢我们替他录制的广告。让我们两点开个会，一起出主意再重新替他做广告。”

youdao

I did promise, and I did let you down. I'm sorry.

我是发过誓，我也让你失望了，我对不住你。

youdao

I did promise, and I did let you down. I'm sorry.

我是发过誓，我也让你失望了，我对不住你。

youdao