"a learned jurist" "an erudite professor"
"knowing instructors" "a knowledgeable critic" "a knowledgeable audience"
"a conditioned response"
Dr. Hugh Alderson Fawcett was a keen and learned archaeologist.
牛津高階第八版
美國韋氏詞典
Dictionary.com
Free Dictionary
維基百科 (自由的百科全書)