1
be knowledgeable about sth
表示对某个话题或领域了解很深时，介词通常用 about；有时也用 on，但较少见。
She is very knowledgeable about modern art.
她对现代艺术非常了解。
有知识的；博学的
先理解核心含义，再看它在真实句子里的用法。
有知识的；博学的
highly educated; having extensive information or understanding
She is very knowledgeable about modern art.
她对现代艺术非常了解。
有知识的,尤其对某一特定领域。
Having knowledge, especially of a particular subject.
知识渊博的:受过高等教育的；拥有广泛信息或理解的
highly educated; having extensive information or understanding
有教养且见多识广的。
Educated and well-informed.
见多识广的:警觉且信息全面的
alert and fully informed
If you want to know more about ancient Rome, ask Professor Hill — she is very knowledgeable.
如果你想了解更多关于古罗马的知识，去问希尔教授吧——她非常博学。
AI contextual example
Our tour guide was so knowledgeable that we learned a lot about every building in the city.
我们的导游非常博学，所以我们了解到了这座城市每一栋建筑的许多故事。
AI contextual example
I need a knowledgeable accountant to help me understand my taxes this year.
今年我需要一位精通业务的会计师来帮我弄明白税务问题。
AI contextual example
a knowledgeable critic
一位知识渊博的评论家
WordNet
表示对某个话题或领域了解很深时，介词通常用 about；有时也用 on，但较少见。
She is very knowledgeable about modern art.
她对现代艺术非常了解。
作定语时放在名词前，强调该名词所指的人或事物很有学识。
We had a knowledgeable guide at the museum.
我们在博物馆遇到了一位知识渊博的导游。
这是“find + 宾语 + 形容词”结构，表示经过接触或体验后认为某人如何。
I found the staff knowledgeable and friendly.
我觉得这些员工知识丰富而且友好。
Not this
He is very knowledge.
Use this
He is very knowledgeable.
knowledge 是名词‘知识’，不能直接放在 be 动词后作表语；表示‘有知识的、博学的’要用形容词 knowledgeable。
Not this
She is knowledgeable at Chinese history.
Use this
She is knowledgeable about Chinese history.
表示‘在某方面有知识’时，knowledgeable 后接介词 about，不用 at（at 是受 good at 影响产生的误用）。
Not this
This article is very knowledgeable.
Use this
This article is very informative.
knowledgeable 通常形容人‘有见识的’，也可以形容人的言论等，但不用于形容文章、书籍这类事物；要说‘内容丰富的、增长知识的’应用 informative。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
非常博学的；知识渊博的
The museum guide was highly knowledgeable about art history.
博物馆的讲解员对艺术史非常博学。
对……很了解；通晓
She is very knowledgeable about Chinese culture.
她对中国文化非常了解。
消息灵通人士；知情人士
A knowledgeable source at the company leaked the news.
公司里的一位知情人士泄露了这一消息。
懂行的员工；专业团队
The store has knowledgeable staff who can answer all your questions.
这家商店有懂行的员工，能回答你的所有问题。
意识到自己无知，是迈向博学的一大步。
She is very knowledgeable about ancient history.
她对古代历史非常了解。
Use knowledgeable naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
knowledge（知识）+ able（能…的）→ 能装下很多知识的，就是博学的。
语域：neutral 常见场景：academic settings、professional discussions、everyday conversations knowledgeable 是中性常用词，正式与非正式场合均可使用；多用于描述某人在某个领域知识丰富、见解深刻，在学术或职场讨论中比较常见。
这些 -able 单词都以 /əbəl/ 结尾，与 knowledgeable 的词尾读音相同，但重音不同，因此并非整词押韵。knowledge /ˈnɑlɪdʒ/ 与 knowledgeable 开头的 knowledge 部分读音接近；注意 ledge /ledʒ/ 是形近音异词。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.