She felt her face going red. "I'm sorry Rob, it's just that I'm, um, overwhelmed."

她感到她的脸变红了。“对不起，罗伯，只是我，嗯，有些不知所措。”

《柯林斯英汉双解大词典》

Um, I'm sorry about that.

我很抱歉。

youdao

Which is what-um I forgot you're name sorry.

这是，我忘了你的名字。

youdao

before Rudy Giuliani was the governor, um, or the mayor. I'm sorry, mayor,

在鲁迪·朱利亚尼成为地方长官之前，
嗯，或者说市长。不好意思，应该是市长，

对纽约的印象 - SpeakingMax英语口语达人