I was very worried because I thought I had hurt her. I was in a great embarrassment and I didn't know what I should do.

我担心所说的话伤害了她，非常尴尬，不知道该怎么办。

My mother had been talking for about a half-hour when to her great embarrassment she heard Lacy bark outside the front door.

谈话进行了半个小时的时候，我母亲突然感到很不好意思起来，因为这时她听到了莱希在前门外的犬吠声。