This is the 4712th most frequent Korean word.
결심
Determination; resolution.
The word '결심' is used here to express a firm decision or determination made by someone.
그는 항상 결심한 것은 반드시 이루곤 했다.
He always accomplished what he decided.
'결심' is employed here to indicate a personal resolution or choice regarding a daily routine.
나는 매일 운동하기로 결심했다.
I decided to exercise daily.
In this phrase, '결심' refers to the quality of someone's resolve or firm decision.