玄人くろうとはだしくろうとはだしMeanings1noun, noun which may take the genitive case particle 'no'outdoing a professional; putting an expert to shameDescribes an amateur whose skill is so high that it surpasses that of a professional. Often used in the pattern 玄人はだしの〜 to modify a noun.彼かれの料りょう理りの腕うで前まえは玄人くろうとはだしだ。His cooking skills are good enough to put a professional to shame.