This is the 16932nd most frequent Korean word.
상반기에
"In the first half of the year."
In this sentence, '상반기에' is used to denote the timeframe within which the revenue growth happened—the first six months of the year.
회사는 상반기에 매출 성장이 이루어졌습니다.
The company achieved revenue growth in the first half of the year.
Here, '상반기에' indicates the period during which the projects were scheduled and completed—the first half of the year.
상반기에 계획된 프로젝트들이 대부분 완료되었습니다.
Most of the projects planned in the first half were completed.
In this case, '상반기에' refers to the time frame within which the team achieved those accomplishments—the first half of the year.