This is the 12755th most frequent Korean word.
대회에서는
"In the competition" or "At the contest."
In this sentence, '대회에서는' indicates a place and context (at the competition), setting the scene for the events happening, which is participation in contests.
대회에서는 많은 사람들이 경연에 참가합니다.
In the competition, many people participate in the contests.
Here, '대회에서는' is used to establish the setting and condition under which the rules need to be followed, emphasizing the context of the competition.
대회에서는 규칙을 엄격히 지켜야 합니다.
In the competition, participants must strictly follow the rules.
In this example, '대회에서는' once again specifies the context (the competition) where teamwork holds significant importance.