This is the 4383rd most frequent Japanese word.
合間
A brief interval or break between activities.
Here, '合間' (aima) is used to describe the intervals or breaks between work activities.
仕事の合間に読書をする。
I read books in between work tasks.
In this sentence, '合間' (aima) refers to the intervals or periods between study sessions during which another activity is performed.
勉強の合間に運動をするのは良い習慣だ。
Exercising in between study sessions is a good habit.
Here, '合間' (aima) indicates the pause or interval in the activity of watching a movie during which something else occurred.