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How to Say ‘I end up having a reaction’ in Japanese

反応が出てしまう

hannou ga de te shimau

[HAHN-noh ga deh teh shee-MAH-oo]

💬 Usage Tip: 〜てしまう adds a sense that something happens unwanted or beyond your control. Compare 出る "appear" with 出てしまう "unfortunately appears".

Phrase Breakdown

反応

hannou

[HAHN-noh]

reaction

A response, such as the body's allergic reaction.

Example

卵に反応します。

I react to eggs.

が

ga

[ga]

subject marker

A particle marking the subject of the sentence.

Example

興味がある分野を教えてください。

Please tell me the field you are interested in.

出

de

[deh]

appear; occur

Stem of 出る; here, a reaction showing up.

Example

じんましんが出ます。

I get hives.

て

te

[teh]

te-form ending

This ending connects actions, like 'cut and...' in instructions.

Example

てをつけると、つぎのどうさにつなげられます。

When you add -te, you can connect it to the next action.

しまう

shimau

[shee-MAH-oo]

end up (unfortunately)

Auxiliary after te-form showing something happens regrettably.

Example

忘れてしまいました。

I ended up forgetting.

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