I'm sorry to stop by so late.抱歉这么晚还来打扰

be sorry to:很遗憾/抱歉

I am sorry to have to inflict myself upon you.

很抱歉，我不得不打扰你。

I was sorry to learn of your illness.

听说你病了，我感到不安。

stop by:偶然过访； 靠近； 访问

Can you stop by for a moment on your way home from your firm?

你从公司回家时，能顺便来呆一会儿吗？

She stopped by just to pass the time of day.

她来串门只是为了打发时间。

Remember when I told you about the girl who used to live here before with her dad?记得我跟你说过那个曾经和她父亲住在这里的女孩吗

tell about: 讲诉； 告诉关于 ... 信息

I'll tell about your stealing the cakes.

我要把你偷蛋糕的事说出去。

I've been told about the hijacking.

我已听说了那次劫机事件。

Only she doesn't want anyone to know about it只是她不想让其他人知道这事

know about:知道； 了解； 听说过有关 ... 的情况

I'd love to know about the plan.

我想知道这个计划。