knowledge的形容词是knowledgeable。

knowledge：n.知识;学问;学识;知晓;知悉;了解；

knowledgeable：adj.博学的;有见识的;知识渊博的；

派生词： knowledgeably adv.

扩展资料

We employ friendly and knowledgeable staff.

我们雇佣友善的、在行的员工。

She has acquired a good knowledge of English.

她英语已经学得很好。

Our knowledge of the disease has advanced considerably over recent years.

近年来我们对这种疾病的了解深入多了。

To my certain knowledge he was somewhere else at the time.

我敢肯定他当时在别处。