を中心に

Centered on

Level 3Sounds Like wochuushinni

The expression を中心(ちゅうしん)に identifies a noun as the 'pivot' or 'heart' of a situation. It translates to 'centered on,' 'mainly,' or 'focusing on.' It is used when one thing is the most important element among others.

How It Works

This pattern is formed by taking a Noun + を + 中心(ちゅうしん) (center) + に. It is versatile and used in both physical and abstract contexts.

Key Variations:

  • を中心に / を中心にして: The standard adverbial forms used to describe how an action is performed (e.g., 'studying focusing on kanji').
  • を中心とした / を中心とする: These are attributive forms used to modify a following noun (e.g., 'a diet centered on vegetables').
  • を中心として: A more formal version often found in news or business.

Usage Nuances:
Unlike simple words for 'mainly' (like 主(おも)に), を中心(ちゅうしん)に implies a structural relationship where the noun is the 'axis.' It is very common when discussing geography (around a station), demographics (popular among youth), or study topics (focusing on grammar).

Examples (5)

  1. 駅を中心に、新しいビルが次々と建っている。

    New buildings are being built one after another centered around the station.

    Word by Word: Station [object] center [at], new buildings [subject] one after another are standing.

    Here, the station is the physical center point of the construction activity.

  2. このアニメは、若者を中心に人気がある。

    This anime is popular mainly among young people.

    Word by Word: This anime [topic], young people [object] center [at] popularity exists.

    In this case, 'young people' are the core demographic or primary target of the popularity.

  3. 明日は文法を中心とした復習をしましょう。

    Tomorrow, let's do a review focused on grammar.

    Word by Word: Tomorrow [topic] grammar [object] center-as-did review [object] let's do.

    This uses the 'を中心とした' form to modify the noun 'review' (復習), specifying what the core of the review will be.

  4. 地球は太陽を中心に回っている。

    The Earth revolves around the sun.

    Word by Word: Earth [topic] sun [object] center [at] is revolving.

    A scientific use showing the sun as the physical axis of rotation.

  5. わが社はアジア市場を中心にして、ビジネスを展開している。

    Our company is expanding its business, focusing on the Asian market.

    Word by Word: Our company [topic] Asia market [object] center-making, business [object] is expanding.

    Using 'にして' adds a slight nuance of 'making' the Asian market the strategic core.

Common Mistakes

  • Using を中心に when you simply mean 'about' a topic without a sense of priority.

    日本の文化を中心に話しました。
    日本の文化について話しました。

    If you are just talking 'about' a topic, use について. Use を中心に only if Japanese culture was the 'core' or 'primary focus' of a broader discussion.

  • Forgetting to use the attributive form (とした/とする) when modifying a noun.

    野菜を中心に食事は健康にいいです。
    野菜を中心とした食事は健康にいいです。

    To describe a 'meal centered on vegetables,' you must use the form that turns the phrase into an adjective for the noun 'meal' (食事).

How It Connects

Tap a pattern to see what it builds on and what it leads to.

を中心にLevel 3Centered on

Learn This First

The pattern 'を中心に' (centered on/focusing on) is a compound expression built from the noun '中心' (center) combined with the object marker 'を' and the particle 'に'. Understanding how 'を' marks an object and how 'に' functions in adverbial phrases or verb connections is essential.

Words in This Pattern