This is the 7977th most frequent Korean word.
힘써
"힘써" means "to strive" or "to make an effort."
The word '힘써' here indicates making an effort or working diligently towards accomplishing a task.
그는 어려운 일을 해결하기 위해 힘써 일하고 있다.
He is working hard to resolve the difficult task.
In this sentence, '힘써' emphasizes putting effort toward achieving a significant goal, like peace.
우리는 평화를 위해 힘써야 합니다.
We must strive for peace.
Here, '힘써' is used to describe actively engaging in actions or initiatives for a beneficial cause.