Translation guide
Expresses the central or middle section of something. Japanese uses different words depending on whether it's a physical center, a middle part of a process, or a core element.
The exact middle point or central area of something physical.
Most common word for 'center' or 'middle' of a physical object, space, or abstract concept.
部屋の中心にテーブルを置いた。
I placed a table in the center of the room.
円の中心に点を打つ。
Put a dot at the center of the circle.
Casual, everyday word for 'right in the middle'. Often used for physical locations.
道の真ん中に立たないで。
Don't stand in the middle of the road.
Formal or geographical 'center', often used for central districts, central government, etc.
東京の中央部に住んでいる。
I live in the central part of Tokyo.
The part that is not the beginning or end, like the middle of a movie, meeting, or century.
Means 'in the middle of' an action or process. Often used as 〜の途中で.
映画の途中で寝てしまった。
I fell asleep in the middle of the movie.
会議の途中で電話が鳴った。
The phone rang in the middle of the meeting.
Literary or formal word for 'midpoint' or 'halfway', often used for time periods like centuries or years.
Used for the middle stage of a game, match, or structured event.
The most important or fundamental part of an idea, system, or group.
Means 'core' or 'heart' of a matter, issue, or argument.
問題の核心に触れる。
Get to the heart of the problem.
Also used for the central figure or main part of an abstract concept.
中心 is the most versatile and can be used for physical, abstract, and figurative centers. 真ん中 is casual and emphasizes being right in the middle of a physical space. 中央 is more formal and often used for geographical or organizational centers.
駅の中心（真ん中）で待ち合わせよう。
Let's meet in the center (middle) of the station.
To say you are in the middle of an action, use 〜ているところ or 〜ている最中, not 中心. 中心 is for locations or abstract centers.
今、食べているところです。
I'm in the middle of eating right now.
20世紀の半ばに生まれた。
Born in the middle of the 20th century.
試合の中盤で逆転した。
They turned the game around in the middle stage.
彼はチームの中心的存在だ。
He is the central figure of the team.