An interval or spare moment between activities; a short break or gap in time.
仕事の合間にコーヒーを飲んだ。
I drank coffee during a break at work.
忙しい合間を縫って旅行に行った。
I managed to go on a trip despite a busy schedule.
授業の合間に友達と話した。
I talked with friends between classes.