기록했는데

In a sentence

• 그가 중요한 정보를 기록했는데 모두 잃어버렸어요.

  He had recorded important information, but he lost everything.

  In this sentence, '기록했는데' indicates that the individual completed the action of recording before another event occurred (losing the information).

• 회의 중에 저는 중요한 내용들을 기록했는데 도움이 되었어요.

  During the meeting, I recorded the important points, which turned out to be helpful.

  In this sentence, '기록했는데' is used to describe the action of recording as leading to a beneficial outcome later on.

• 이번 게임에서 선수가 세계 신기록을 기록했는데 모두가 놀랐습니다.

  In this game, the athlete set a world record, and everyone was surprised.

  Here, '기록했는데' refers to the achievement of recording a world record as an event causing astonishment among the observers.