This is the 4767th most frequent Korean word.
고민에
"고민에" means "in worry" or "in concern."
In this sentence, '고민에' is used to indicate the subject's immersion in considerations or worries regarding a particular issue, his career path.
그는 진로에 대해 깊은 고민에 빠졌다.
He fell deeply into worries about his career path.
Here, '고민에' is a reference to the specific concerns or troubles I was discussing, with others offering assistance.
친구들은 나의 고민에 대해 도움을 주고 싶어 했다.
My friends wanted to help me with my concerns.
In this sentence, '고민에' emphasizes the act of deep consideration and mental grappling over the project's challenges.