connoisseur

As a wine connoisseur, he can identify the region and year of a bottle after just one sip.

(Chinese) 作为一名葡萄酒鉴赏家，他只需品尝一口就能辨别出一瓶酒的产地和年份。

She is a well-known connoisseur of 19th-century French landscape paintings.

(Chinese) 她是著名的19世纪法国风景画鉴赏家。