en-zh-translation-polish

Translates English into idiomatic, translationese-free Chinese, optionally as an English-Chinese bilingual version pairing each source paragraph with its translation. Use when the user wants to 翻译成中文 / 英译汉, 去翻译腔/润色译文 (remove translationese, polish a draft), or produce a 中英对照/英中对照 bilingual rendering. Not for Chinese-to-English, pure Chinese writing polish, or single-word lookups.