also knowledgable, c. 1600, "capable of being known, recognizable" (a sense now obsolete), from knowledge in its Middle English verbal sense + -able. The modern sense of "having knowledge, displaying knowledge" is from 1829 and probably a new formation.
实用例句
1. Mr Winchester is impressively knowledgeable about all manner of things.
温切斯特先生知识广博，通晓万事。
来自柯林斯例句
2. If you don't know much about cars, take a knowledgeable friend along.
如果你不太了解汽车，带一个懂行的朋友一起去。
来自柯林斯例句
3. We had a knowledgeable guide in the person of George Adams.
我们有一位见识广博的导游乔治·亚当斯。
来自柯林斯例句
4. We employ friendly and knowledgeable staff.
我们雇佣友善的、在行的员工。
来自柯林斯例句
5. Cocaine addicts get specialized support from knowledgeable staff.