This is the 9408th most frequent Korean word.
결심은
"Determination" or "resolve."
Here, '결심은' refers to determination as a concept, being the subject of the sentence.
결심은 마음을 강하게 해 줄 수 있다.
Determination can strengthen the mind.
In this sentence, '결심은' describes a specific instance of determination belonging to 'him,' acting as the subject.
그의 결심은 흔들리지 않았다.
His determination did not waver.
Here, '결심은' is used generally to describe the nature of determination, highlighting its challenges.