When you apologize to someone, you say that you are sorry that you have hurt them or caused trouble for them. You can say "I apologize" as a formal way of saying sorry. 表达歉意
verb [vt. 及物动词]道歉,谢罪
I apologize for being late, but I have just had a message from the hospital. 我为迟到表示歉意,但我刚得到了来自医院的一个消息。
-ize “-ize/-ise”使…化apologize v. 道歉(apology 道歉 + ize)