This is the 9463rd most frequent Korean word.
경고한
"경고한" means "warned" in English.
Here, "경고한" is used to describe a cautious or attentive attitude, showing alertness.
그는 경고한 자세로 모든 상황을 살폈다.
He observed every situation with a cautious demeanor.
In this case, "경고한" relates to giving a warning or an admonition.
선생님은 학생들에게 늦지 말라고 경고한 적이 있다.
The teacher once warned the students not to be late.
Here, "경고한" conveys the meaning of having received a prior warning or caution.