This is the 10865th most frequent Korean word.
그사이
"In the meantime" or "during that time."
Used to indicate the time span between the mentioned actions.
나는 커피를 마시고 있었어요. 그사이 친구가 도착했어요.
I was drinking coffee. During that time, my friend arrived.
Used to inquire about events occurring during an intervening time period.
그사이에 무슨 일이 있었나요?
What happened during that time?
Used metaphorically to describe the intervening difficulties or misunderstandings between people.