connoisseur

n.

鉴赏家，鉴定家；行家，内行，权威；

复数：connoisseurs

1. He is a connoisseur of antique furniture.
   他是古家俱鉴定家。
2. Only the real connoisseur could tell the difference between these two wines.
   只有真正的内行才能指出这两种酒的区别。

Origami for the connoisseur
Considering the Connoisseur: Probing the Language of Taste
Hugh Blaker 1873?1936 : Artist, Connoisseur & Curator
Chinese Pictoral Art, as Viewed by the Connoisseur
A guide for the cutaneous leishmaniasis connoisseur.
Using the connoisseur method during the introductory phase of landscape planning and management
Chinese Pictorial Art, as Viewed by the Connoisseur by R. H. van Gulik
Composition of distilled Perique tobacco liqueur: a connoisseur's spirit or a health risk due to nicotine?
The Monkey with the Magnifying Glass: Constructions of the Connoisseur in Eighteenth-Century Britain
Reflections on the painting and sculpture of the Greeks : with instructions for the connoisseur, and an essay on grace in works of art