fluent

Compared meaning: able to speak clearly and well (adjective).

比较义项：能清楚流利地表达（说话能力）（形容词）。

• articulate

  Articulate describes someone who expresses thoughts clearly and logically, often in real time; it focuses on clarity and organization rather than persuasive power or language fluency.

  articulate形容一个人能清晰、有条理地表达想法，通常是临场表达，侧重清晰和条理性，而非说服力或语言熟练程度。

  Even nervous, the intern remained articulate, answering each question with precise, well-organized sentences.

  即使很紧张，那位实习生依然表达清楚，用准确、有条理的句子回答每一个问题。

• eloquent

  Eloquent implies fluent, polished, and persuasive speech or writing that moves or convinces listeners; it is stronger and more formal than articulate, and often used for speeches.

  eloquent强调言辞流畅、优美且有说服力，能打动或说服听众；语气比articulate更强、更正式，常用于描述演讲。

  The eloquent speaker moved the audience to tears with his passionate closing remarks.

  那位雄辩的演讲者用充满激情的结束语打动了全场观众，让他们热泪盈眶。

• fluent 本词

  Fluent describes speaking or writing (especially a second language) smoothly, quickly, and accurately without hesitation; it is about ease and command of a language, not persuasiveness.

  fluent形容说话或写作（尤指第二语言）流利、快速、准确，不结巴、不停顿；强调对语言的掌握程度和流畅度，而非说服力。

  After living in Spain for two years, she became fluent in Spanish, chatting effortlessly with locals.

  在西班牙生活两年后，她的西班牙语变得流利，能轻松地和当地人聊天。

All three adjectives describe strong speaking ability. Articulate means expressing thoughts clearly and logically; it focuses on clarity, not persuasion. Eloquent means fluent, persuasive speech that moves listeners; stronger and more formal, often for speeches. Fluent means speaking smoothly and accurately without hesitation.

这三个词都形容“说话／表达能力强”，但侧重不同：articulate侧重思路清晰、用词准确；eloquent侧重言辞优美、有感染力和说服力；fluent侧重说话流畅自如、不磕巴（尤指使用某种语言时）。这里不比较fluent表示“（液体等）流动的”等其他用法。