고생할

In a sentence

• 그는 고생할 각오를 하고 산에 올랐다.

  He climbed the mountain, ready to endure hardships.

  In this sentence, '고생할' refers to the anticipated hardships or efforts the person is ready to undergo while climbing the mountain.

• 고생할 줄 알았지만 결과적으로 큰 도움이 되었다.

  I thought it would be hard, but it turned out to be very helpful.

  Here, '고생할' conveys the expectation of experiencing difficulty or effort, which contrasts with the positive outcome described.

• 너무 고생할 필요는 없어. 적당히 하면 돼.

  You don’t have to suffer too much. Just do enough.

  In this context, '고생할' is used to imply undue hardship or excessive effort that one advises against undertaking unnecessarily.