This is the 7231st most frequent Korean word.
중순까지
"Until the middle of (the month)."
Here '중순까지' indicates the deadline, specifying time up until the middle of the month.
저는 이번 달 중순까지 프로젝트를 완료해야 합니다.
I must complete the project by the middle of this month.
'중순까지' denotes the duration of the research activity up to the mid-period.
그는 연구를 중순까지 진행하고 나서 결과를 발표하기로 했습니다.
He decided to conduct research until the middle of the period and then present the results.
In this case, '중순까지' demonstrates the time frame for planning up to mid-summer.