So it's a short little 2-word thought group and the stressed syllable is 'sorr', 'I'm sorry'.

它是一个只有两个词的意群，重音音节是 sorr， I'm sorry。

That flat contrasts with sorr-- and know.

那套公寓与 sorr 形成鲜明对比——并且知道。

Know, sorr, hear, daugh-- All the most stressed peaks there.

知道，对不起，听到，女儿——那里所有压力最大的山峰。

I'm so sorry. Mmm so, I'm so sorry. And sorr-- both have a little bit of that up-down shape of stress.

我很抱歉。嗯，所以，我很抱歉。 sorr——两者都有一点上下波动的压力。