一般用語
I'm sorry.
I made a mistake.
Please accept my apologies.
I'm sorry. I didn't mean to . . .
(I'm) sorry. I didn't realize that . . . .
告知壞消息
I'm sorry (I have) to tell you this, but . . .
I hate to tell you this, but . . .
I don't know how to tell you this, but . . .
I have some bad news.
正式信件寫法
We regret to inform you that . . .
Regretfully, . . .
Unfortunately, . . .
舉例
1. We still feel sorry for the trouble that has caused you much inconvenience.
我們仍然很抱歉對您造成這麼多不方便。
2. We regret to inform you that we are not in a position to enter into business relations with any firms.
我們很遺憾通知您,我們無法和任何公司洽談商務事宜。
3. Please accept our deepest apology for any inconvenience this matter has caused you.
請接受敝公司對此事所造成之不便的深深歉意。
4. We are sorry for the short delivery. 我們為交易量短缺像貴公司致歉。
5. We are terribly sorry to learn from you that the quality of goods is not satisfactory to you.
我們為產品品質無法令貴公司滿意感到抱歉。