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.

只有真正内行才能指出这两种。

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

他是一个能够鉴两种同等好行家。

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

在通到马容桥拱形长巷中，有一个拾破烂背篓保存得完好无缺，识货人啧啧称赞。