This is the 13884th most frequent Korean word.
만큼은
"As much as" or "to the extent of."
In this sentence, '만큼은' is used to specify and emphasize the unique importance or seriousness of the issue at hand.
이번 일만큼은 내가 직접 해결해야 한다.
This time, I must solve it myself.
Here, '만큼은' denotes comparison, indicating that the person is unique in their untrustworthiness compared to others.
그 사람만큼은 믿을 수 없다.
I cannot trust him as much as others.
In this case, '만큼은' emphasizes the exclusiveness and value of the opportunity being addressed.