This is the 3687th most frequent Korean word.
사과드린다
"사과드린다" means "to apologize (honorific)."
Here, '사과드립니다' is a formal and respectful way of expressing apology.
저는 진심으로 진심을 담아 사과드립니다.
I sincerely apologize with all my heart.
'사과드립니다' is used here to formally address the act of apologizing for a specific situation.
이 문제로 불편을 드려 사과드립니다.
I apologize for causing inconvenience with this issue.
In this sentence, '사과드립니다' is being applied to extend an apology on behalf of someone else.