This is the 9168th most frequent Korean word.
걱정할
"To worry"
걱정할 is used as an attributive form of 걱정하다, describing the noun '필요' with the act of worrying.
나는 걱정할 필요가 없다고 들었어요.
I heard that I don't need to worry.
걱정할 acts as a descriptive modifier for '부분,' indicating the aspects one would worry about.
그는 내가 걱정할 부분을 모두 해결했어요.
He resolved all the aspects that I needed to worry about.
걱정할 serves as a descriptor for '필요,' explaining the absence of worry regarding the house before the trip.