This is the 19311th most frequent Korean word.
알기
"알기" means "understanding" or "knowing."
Here, '알기' represents 'finding out about' or 'knowing' the qualities of a good friend.
좋은 친구는 알기 쉽지 않습니다.
Finding a good friend is not easy.
Here, '알기' is used as a gerund, meaning 'understanding'.
그 문제를 알기가 어렵습니다.
It is difficult to understand that issue.
In this sentence, '알게 되었다' utilizes '알기' in the context of realizing or coming to know.