knowledgeable

She is extremely knowledgeable about the history of ancient Egyptian architecture.

(Chinese) 她对古埃及建筑史非常博学。

We need to hire a knowledgeable guide who can answer technical questions about the trek.

(Chinese) 我们需要雇佣一位博学的向导，能够回答关于这次徒步的技术性问题。