プログレッシブ和英中辞典(第4版)の解説
くろうと【玄人】
❶〔専門家〕an expert ((in));a professional; a specialist
料理の玄人
〔職業とする人〕a professional cook/〔達人〕an expert in cooking
この絵は玄人はだしだ
This picture puts even professionals to shame.
❷〔水商売の女〕a woman from the red-light district; a working girl(▼婉曲的表現)
玄人筋
〔証券で〕groups of professional market players