I'm sorry to trouble you, but I wondered if by any chance you know where he is.

对不起打扰您了，我想问问您是否碰巧知道他在哪里。

《柯林斯英汉双解大词典》

Good morning, Mr Zhang. I'm sorry to trouble you.

早上好，张先生。很抱歉打扰了您。

youdao

I'm sorry to trouble you, Sir May I clean the room now?

对不起，打搅了，先生，现在我能为您打扫房间吗？

youdao