힘쓰다

work hard; try hard; focus on

Explanation

1. work hard; try hard; focus on
To work hard to do something.

2. help; support
To help another.

3. strive; work; endeavor
To devote oneself and contribute to doing something.

Examples
경영에 힘쓰다
업무에 힘쓰다
저술에 힘쓰다

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