〜間に
Formation
N4
Meaning
Indicates that an action or event takes place within a specific period. Unlike 'aida' (without 'ni'), the action does not necessarily continue for the entire duration.
Examples
家族が寝ている間に、手紙を書きました。
I wrote a letter while my family was sleeping.
日本にいる間に、一度富士山に登ってみたいです。
I want to climb Mt. Fuji at least once while I'm in Japan.
子供が学校へ行っている間に、掃除を済ませました。
I finished the cleaning while the children were at school.
料理を作っている間に、いいアイデアが浮かびました。
A good idea came to me while I was cooking.
夏休みの間に、たくさん本を読もうと思っています。
I'm planning to read a lot of books during the summer vacation.
留守の間に、誰か友達が来たようです。
It seems some friend came while I was out.