This is the 209th most frequent Korean word.
힘을
"힘을" means "strength" or "power" (accusative form).
Here, '힘을' signifies putting effort, or energy, towards an activity or goal.
그는 새로운 프로젝트를 위해 힘을 내고 있다.
He is putting effort into the new project.
In this sentence, '힘을' refers to retaining one's strength or determination in the face of challenges.
그녀는 어려운 상황에서도 힘을 잃지 않았다.
She did not lose her strength even in a difficult situation.
In this example, '힘을' represents the idea of combining energies or resources collectively.