This is the 18187th most frequent Korean word.
순간의
"Momentary" or "of the moment."
순간의 here is used to describe the choice as being associated with a single moment, emphasizing the importance of brief decisions.
순간의 선택이 인생을 바꿀 수 있습니다.
A moment's choice can change your life.
순간의 modifies 용기 (courage), signifying the temporary and impactful nature of his bravery during that brief time.
그의 순간의 용기가 모든 걸 바꿨다.
His momentary courage changed everything.
순간의 is employed to characterize the mistake as occurring within a fleeting instant, highlighting the influence of short-term actions.