대회에

In a sentence

• 그녀는 대회에 참가하기 위해 열심히 연습했다.

  She practiced hard to participate in the competition.

  In this sentence, '대회에' indicates the event or competition that she is preparing for her participation.

• 그는 대회에 심사위원으로 초대받았다.

  He was invited to the competition as a judge.

  Here, '대회에' refers to the context of the competition where his role as a judge will take place.

• 나는 대회에 가서 친구들을 응원했다.

  I went to the competition to support my friends.

  In this usage, '대회에' designates the location or event where the action of supporting occurred.