He is not only well versed in his field, but also excels at conveying its appeal as well.
"彼は学問に精通してるだけでなくその面白さを人に伝えることにも長けていた"
- He is not only (well) versed in his field, but also excels at conveying its appeal as well.
精通してる
- be (well) versed in
結構 "be well versed in" を聞きます.
でも "be versed in" も使えます。
他の例文：
She is versed in literature.
（彼女は文学に精通している）
"Not only is he well versed in his discipline, he's very good at conveying its interesting parts to people."
- "Not only is he well versed in his discipline, he's very good at conveying its interesting parts to people."
"not only" 「だけでなく」
"well versed in ~" 「〜に精通してる」
"his discipline" 「彼の学問」
"he's very good at ~" 「〜にも長けていた」
"conveying ~" 「〜を伝える」
"its interesting parts" 「その面白さ」
"to people" 「人に」
アメリカ合衆国 
オーストラリア 
