시간 동안

for a period of time

→ 시간
phrase Rare #16,200
for a period of time Used to indicate the duration or time period during which something happens. It is often preceded by a number or another time expression, such as 두 시간 동안 (for two hours).
KO: 한 시간 동안 책을 읽었어요.
EN: I read a book for an hour.

그 모든 시간 동안 그것만 생각하고 있었어.

All that time I was thinking about was that.

그는 시간 동안 걸었다.

He walked for two more hours.