A learned person never stops seeking knowledge.

一个博学的人从不停止追求知识。

He is a learned person who can always answer my questions.

他是一个有学问的人，总是能回答我的问题。

He is such a learned person that we all admire him very much.

他是如此有学问的人，我们都很崇拜他。

After reading all your replies, I am sure that you are indeed a learned person. master, I have some problem which pestered me for a very long time.

读过您所有的回复以后，我认为您的确是一个经验丰富的人。大侠，我也有一些长期困惑我的问题。

Finally, the King was fed up, so he asked the honest official: “I heard that you are a learned person, so you must know what the duty of a citizen is.”

终于国王受不了了，他问那位忠臣：‘听说你很博学，那你应该知道一个公民的职责是什么吧？’