This is the 9232nd most frequent Korean word.
걸러내
"걸러내" means "to filter out" or "to strain."
In this sentence, "걸러내다" means to filter out or strain, indicating the act of removing impurities or unwanted materials from milk.
우유를 걸러내는 과정이 중요합니다.
The process of filtering milk is important.
Here, "걸러내다" is used metaphorically to mean dismissing or disregarding something as untrue or irrelevant.
그 소문은 사실이 아니니 걸러내야 해요.
That rumor isn't true, so we need to disregard it.
In this context, "걸러내다" refers to sifting through information to separate the useful from the unnecessary.