This is the 6719th most frequent Korean word.
의견에
"To an opinion" or "on an opinion."
In this instance, "의견에" emphasizes the act of listening to or considering opinions.
모든 사람의 의견에 경청해야 합니다.
We should listen to everyone's opinions.
In this sentence, "의견에" is used to indicate agreement or response to someone's opinion.
그의 의견에 동의합니다.
I agree with his opinion.
Here, "의견에" is used to highlight the opinion being objected to or challenged.