Our sales staff are highly knowledgeable about every product in the new catalog.

我們的銷售人員對新型錄中的每項產品都非常了解。

We are looking for a knowledgeable accountant who understands international tax regulations.

我們正在尋找一位熟悉國際稅務法規、學識豐富的會計師。

The tour guide was very knowledgeable and answered all our questions about the old city.

那位導遊非常博學，回答了我們所有關於這座古城的問題。