This is the 1134th most frequent Korean word.
말로
"By words" or "with words."
Here, "말로" means "by means of words," indicating using language as a medium.
말로 표현하기 어렵습니다.
It is difficult to express in words.
In this context, "말로" signifies "only with words," emphasizing verbal statements without action.
그는 말로만 약속하고 행동하지 않았어요.
He only made promises in words and did not act accordingly.
Here, "말로" refers to "through speech or dialogue," illustrating resolving issues by communication.