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Fluency and Faithfulness in Human and Machine Literary Translation

Summary

A new study analyzing 130,486 translated paragraphs from 106 novels across 16 source languages finds a consistent negative correlation between fluency and faithfulness in both human and Google Translate translations, suggesting a tradeoff in literary translation.

SourcearXiv Computational LinguisticsAuthor: Sarah Griebel, Ted Underwood
Fluency and Faithfulness in Human and Machine Literary Translation
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[2605.15282] Fluency and Faithfulness in Human and Machine Literary Translation

[Submitted on 14 May 2026]

Title:Fluency and Faithfulness in Human and Machine Literary Translation

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Abstract:Literary translation requires balancing target-language fluency with faithfulness to the source. Recent large language models (LLMs) often produce fluent translations, but it remains unclear whether fluency corresponds to semantic preservation in literary text. We examine this relationship using 130,486 translated paragraphs from 106 novels in 16 source languages, including human, Google Translate, and TranslateGemma translations. Fluency is measured as original-likeness with a translationese classifier trained on paragraph part-of-speech n-grams, and faithfulness with the automatic translation evaluation metric COMET-KIWI. We control for paragraph length and find a consistent negative correlation between fluency and faithfulness. The pattern appears for both human and Google Translate, but is weaker and often non-significant for TranslateGemma. These results show that segment length matters for automatic evaluation and suggest a tradeoff between fluency and faithfulness in literary translation.

Comments: Accepted NLP4DH 2026

Subjects:

Computation and Language (cs.CL)

Cite as: arXiv:2605.15282 [cs.CL]

(or arXiv:2605.15282v1 [cs.CL] for this version)

https://doi.org/10.48550/arXiv.2605.15282

arXiv-issued DOI via DataCite

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From: Sarah Griebel [view email] [v1] Thu, 14 May 2026 18:00:34 UTC (1,971 KB)

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Key points

  • Study uses 130,486 paragraphs from 106 novels in 16 languages.
  • Fluency measured by translationese classifier; faithfulness by COMET-KIWI.
  • Negative correlation found for human and Google Translate, weaker for TranslateGemma.
  • Segment length affects evaluation; tradeoff between fluency and faithfulness.

Highlights and analysis are generated automatically and may contain errors. Check the original source.