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JLPT N4 · Degree & extent

だけで (dake de)

～だけで — “just by ～ / with only ～”

In short · だけで means that one small thing alone is enough to bring about a result: ‘just by ～ing’. It follows a verb or noun, and the result clause shows how much that small thing achieves. It often expresses surprise or a feeling.
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Pattern

  • 動詞の普通形＋だけで plain form + だけで (見るだけで)
  • 名詞＋だけで noun + だけで (名前だけで)

Structure

Use the plain form of the verb (dictionary or past) or a noun, then だけで: 写真を見るだけで, 名前を聞いただけで. After that comes the result.

Nuance

だけ means ‘only’, and で marks the means or cause. Together: ‘with just that, ...’. The small action may be dictionary form (general) or past form (a specific event).

Compared with だけ

だけ alone limits something (水だけ飲む, ‘drink only water’). だけで adds a cause-and-result link: even this alone is enough to make something happen. The result is often a feeling or understanding.

Examples

  • 名前（なまえ）を聞（き）いただけで、すぐ分（わ）かりました。

    Namae o kiita dake de, sugu wakarimashita.

    Just by hearing the name, I understood right away.

    Past form 聞いた + だけで for a specific event.

  • 写真（しゃしん）を見（み）るだけで、楽（たの）しくなる。

    Shashin o miru dake de, tanoshiku naru.

    Just by looking at the photos, I feel happy.

    Dictionary form for a general feeling.

  • 話（はなし）を聞（き）くだけで、答（こた）えが分（わ）かった。

    Hanashi o kiku dake de, kotae ga wakatta.

    Just by listening to the story, I understood the answer.

    A small effort leads to understanding.

Common mistakes

  • Don't confuse だけで with だけ alone (which only limits). だけで needs a result clause.
  • A noun takes だけで directly: 名前だけで, not 名前のだけで.

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