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JLPT N3 · Time & sequence

途中(とちゅう)で/途中(とちゅう)に (tochuu de / tochuu ni)

途中で/途中に — “on the way / partway through”

In short · 途中 means “the middle of a journey or process.” Verb dictionary form / noun の + 途中で says that something else happened while on the way or partway through an action. It describes a break or interruption.
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Pattern

  • 動詞辞書形 + 途中で dictionary form + 途中で (行く途中で)
  • 名詞 + の + 途中で/途中に noun + の + 途中で / 途中に (会議の途中で)

Meaning and connection

The action is on its way when something else happens. 学校へ行く途中で、先生に会った. With a noun, use の: 会議の途中で. With a movement verb, it means “while going.”

で and に

途中で marks the place or time where an event happens. 途中に is used for a place that is located along the way: 駅は家と学校の途中にある. For actions and events, use 途中で.

Typical results

The second half is usually an unexpected event or a stop: 会った, 落としてしまった, 停電した. It is also used when an action is left unfinished: 途中でやめた.

Examples

  • 学校(がっこう)へ行(い)く途中(とちゅう)で、先生(せんせい)に会(あ)った。

    Gakkō e iku tochū de, sensei ni atta.

    On the way to school, I met my teacher.

  • 駅(えき)へ向(む)かう途中(とちゅう)で、財布(さいふ)を落(お)としてしまった。

    Eki e mukau tochū de, saifu o otoshite shimatta.

    On the way to the station, I dropped my wallet.

  • 会議(かいぎ)の途中(とちゅう)で、急(きゅう)に停電(ていでん)した。

    Kaigi no tochū de, kyū ni teiden shita.

    Partway through the meeting, the power suddenly went out.

Common mistakes

  • With a noun, you need の: 会議の途中で, not 会議途中で.
  • Use the dictionary form before 途中, not the ta-form: 行く途中で (not 行った途中で).

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