This is the 12996th most frequent Korean word.
돌파했던
"돌파했던" means "had overcome" or "had broken through."
In this sentence, '돌파했던' is used to describe having overcome or broken through a major difficulty in the past.
그는 마침내 인생의 큰 어려움을 돌파했던 시기를 회상했습니다.
He finally reminisced about the time he overcame significant challenges in his life.
Here, '돌파했던' indicates having surpassed or exceeded a metric or achievement.
우리는 곧 판매 기록을 돌파했던 날을 기념할 것입니다.
We will soon celebrate the day we surpassed the sales record.
This usage of '돌파했던' refers to having creatively solved or surpassed a challenge.