To be highly knowledgeable and articulate, often giving extensive answers or showing a vast understanding even to simple questions.
这位学者学识渊博，无论学生问什么问题，他都能问一答十，引经据典，令人敬佩。
This scholar is immensely learned; no matter what questions students ask, he can answer extensively, citing scriptures and historical facts, which is truly admirable.
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