他对古董的鉴赏眼光非常专业，在拍卖会上总是能识别出真正的珍品。

His ___connoisseurship in antiques is remarkable, allowing him to spot genuine treasures at auctions.

她在葡萄酒鉴赏方面的专业眼光让她能够分辨出最优质的年份酒。

Her ___connoisseurship in wine allowed her to identify the finest vintages.