걱정도

In a sentence

• 내일 시험에 대한 걱정도 이미 충분히 했으니 오늘은 좀 쉬어야겠어요.

  I have already worried enough about tomorrow's exam, so I should rest a bit today.

  In this sentence, 행정도 (걱정도) is used to express that worrying has been done extensively or sufficiently, implying it's enough.

• 친구가 이렇게 늦는 데 대한 걱정도 했는데 결국 별 일이 없었네요.

  I worried about my friend being so late, but in the end, nothing serious happened.

  Here, 걱정도 conveys the act of worrying concerning the lateness of the friend as part of the overall consideration.

• 경제 상황에 대한 걱정도 있지만 긍정적으로 생각하려 해요.

  Although I am concerned about the economic situation, I try to think positively.

  걱정도 here signifies concern and is used to balance the negative with a positive outlook in the statement.