行家的英文：
(n) connoisseur

Ian is a dab hand at the orient art.
伊恩是东方艺术的行家。

Mary is a dab hand at cooking beef.
玛丽是烹煮牛肉的行家。

A connoisseur of antique furniture
古家俱行家

He's an adept in carpentry
他是木工行家

She is a proficient in music.
她是音乐行家。

A connoisseur's choice depends chiefly on the quality of goods, not merely on the outward appearance.
行家选择的是质量，而不仅仅是外表。

Pretense invariably impresses only the pretender
弄虚作假欺骗不了真正的行家。

You can't fob an expert off with cheap imitations.
用廉价的仿制品骗不了行家.

My sister's the oracle on beauty matters.
我妹妹是美容方面的大行家

He handled the situation like an old pro.
他像行家一般处理了这一局面。

My friends who have learnt Italian or French have not suddenly become connoisseurs and romantic.
学过意大利文或法文的朋友，不会突然变成鉴赏家或变得更浪漫。

These people are only connoisseurs of curios and have virtually nothing to do with the revolution.
这样的人就是古董鉴赏家，几乎和革命不发生关系。

My uncle posed as a connoisseur in paintings while actually he was only a layman.
我叔叔冒充为绘画鉴赏家，实际上他只是个门外汉。

With elegant aromas smooth mellow taste, it is loved by all the connoisseurs regarded as the perfect gift.
百龄坛21年香甜醇和，爽滑如丝，被所有的鉴赏家所钟爱，视为完美的礼品。

Emperor Huizong, whose name was Zhao Ji, was the initiator and an active supporter of the academy, and also a painter and connoisseur of painting.
赵佶不仅是画院的倡导者和支持者，同时还是一个颇有成就的画家和水平很高的鉴赏者。