먹어야

In a sentence

• 우리는 건강해지기 위해 채소를 많이 먹어야 합니다.

  We must eat a lot of vegetables to become healthy.

  In this sentence, '먹어야' indicates necessity or obligation, as it is paired with '해야 합니다' to suggest the importance of consuming vegetables for health.

• 만약 빨리 힘을 내고 싶으면 이 약을 먹어야 해.

  If you want to quickly regain your energy, you must take this medicine.

  Here, '먹어야' conveys requirement or compulsion, suggesting that taking the medicine is essential for regaining energy quickly.

• 졸업하기 위해서는 필요한 학점까지 모두 먹어야 해.

  To graduate, you must acquire all the required credits.

  In this case, '먹어야' metaphorically indicates attainment or acquisition, adapting to the situation where credits can be metaphorically 'consumed.'