他是一位品酒行家。
He is a ___connoisseur of fine wines.
这些艺术品鉴赏家能轻易辨别出这幅画的真伪。
The art ___connoisseurs could easily tell whether the painting was authentic.
这位美食家能通过味道辨别出奶酪的产地和年份。
As a ___connoisseur of cheese, she could tell its origin and age by taste.