最中(さいちゅう)に

さいちゅうに
expression
in the middle of; right in the midst of; during
time-generalgrammatical
1. in the middle of; right in the midst of; during
Indicates being right in the middle of an action or situation, often when something unexpected happens or interrupts. Stronger than just 'during' — it emphasizes the exact moment within an ongoing activity.
The phone rang in the middle of my meal.
An earthquake occurred in the middle of the meeting.
試験勉強(しけんべんきょう)の最中(さいちゅう)に友達(ともだち)が遊(あそ)びに来(き)て困(こま)った。
A friend came to hang out right when I was studying for exams, which was a problem.

Composed of 最中(さいちゅう) (in the midst of) and the particle に. Often used when an interruption or unexpected event occurs during an ongoing activity.

Common patterns

Attaches to nouns or verb dictionary form + の:

Similar words

Watch out

Do not confuse 最中(さいちゅう) (in the middle of) with 最中(もなか) (a traditional Japanese wafer cake filled with bean paste). Same kanji, different readings and meanings.