I'm sorry I don't know. Please ask the policeman over there.

对不起，我不知道，请问问那边的那个警察。

youdao

Sorry, I don't know where the bank is. I'm a stranger here myself.

对不起，我不知道银行在哪儿。我不是本地人。

《牛津词典》

I'm sorry, honey. I don't know millilitre.

抱歉，亲爱的。我不懂毫升制。

youdao

So Claire Elise enters and I'm sorry I don't know your name, Jean enters so let's have a look at this array.

克莱尔·伊莉斯参选,对不起我不知道你的名字,吉恩参选,我们来看一下这一行

耶鲁公开课 - 博弈论课程节选

So, that's more far in the future, and yeah, I don't really know, I'm sorry.

所以，这都是以后的事了，离我现在太遥远。真的不好意思，我不太清楚。

为了更美好的世界 - SpeakingMax英语口语达人

Mr. MEFFERT: I can't sit there and say well, I'm sorry, I just don't want to break this law, so ya'll, you know, you guys are going to have to go figure something else out.

NPR: New Orleans May Lose Wireless Network