unintelligibly
用法要点
句型搭配
常用于描述说话方式，修饰动词如 speak、mutter、ramble 等，表示表达不清。
介词用法
可与介词 to 连用，表示对某人来说难以理解，强调听者的困惑。
语域说明
多用于正式或书面语境，如学术、商务报告，描述沟通障碍；日常口语中较少使用。
基础例句
He was so nervous that he spoke unintelligibly during the presentation.
他太紧张了，在演讲时说话含糊不清。
The old man muttered unintelligibly to himself while walking down the street.
那位老人在街上边走边自言自语，声音模糊难辨。
She whispered unintelligibly in the noisy room, so I couldn't catch her words.
她在嘈杂的房间里低声细语，我完全听不清她在说什么。
高级例句
The technical report was written unintelligibly, making it hard for stakeholders to understand the key findings.
这份技术报告写得晦涩难懂，导致利益相关者难以理解核心发现。
In the conference, the speaker rambled unintelligibly about complex theories, losing the audience's attention.
在会议上，演讲者东拉西扯地谈论复杂理论，内容混乱不清，听众都走神了。
The legal document was drafted unintelligibly, requiring multiple revisions for clarity in business negotiations.
这份法律文件起草得含糊其辞，在商务谈判中需要多次修改以确保清晰度。
高频搭配
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常见错误
错误：使用了形容词 unintelligible，但这里需要副词 unintelligibly 来修饰动词 spoke。正确：用副词形式描述说话的方式。
错误：在系动词 was 后使用了副词 unintelligibly，但这里需要形容词 unintelligible 作表语。正确：用形容词描述消息的状态。
近义词辨析
incoherently
incoherently 强调逻辑混乱、表达不连贯，可能因思维跳跃或情绪激动导致；unintelligibly 更侧重声音或内容本身难以被理解，不一定涉及逻辑问题。
He spoke incoherently due to shock (逻辑混乱) vs. He spoke unintelligibly in a heavy accent (发音不清)。
indistinctly
indistinctly 指声音模糊、不清晰，但可能仍可勉强理解；unintelligibly 程度更强，表示几乎或完全无法理解。
She spoke indistinctly on the phone (声音模糊) vs. She mumbled unintelligibly (完全听不清)。