This is the 13160th most frequent Korean word.
두려운
Fearful.
In this sentence, '두려운' is used as an adjective to describe the situation as frightening or inducing fear.
그는 두려운 상황에서도 침착하게 행동했다.
He remained calm even in a frightening situation.
Here, '두려운' describes the places as causing fear or discomfort to children.
어린아이들은 어두운 곳이 두려운 경우가 많다.
Young children often find dark places scary.
In this context, '두려운' is used to characterize the events as fearful or anxiety-inducing.