He's like a walking encyclopedia of jazz music and history.

他就像一本会走动的爵士音乐和历史活百科全书。

Meg liked his quiet manners and considered him a walking encyclopedia of useful knowledge.

梅格喜欢他安静的举止，认为他是一本有用知识的活百科全书。

He was a regular walking encyclopedia, and, finding I could get a good deal out of him, I went in for general information, as the time was short.

他是一本普通的活百科全书， 发现我可以从他那里得到很多东西， 我就去了解一般信息， 因为时间很短。