I’m no connoisseur but I know a good champagne when I taste one.

我不是行家,但我一尝就知道是不是好香槟。

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。

He is the connoisseur who can discriminate between two equally fine wines.

他是一个能够两种同等好酒的行家。

Beneath this long, arched drain which terminated at the Arche-Marion, a perfectly preserved rag-picker's basket excited the admiration of all connoisseurs.

在通到马利容桥的拱中，有一个拾破烂的背篓保存得完好无缺，识货的人啧啧称赞。