玄人くろうとはだし

noun, noun which may take the genitive case particle 'no'

outdoing a professional; putting an expert to shame

Describes 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.

• 玄人くろうとはだしの演えん奏そうに、会かい場じょうは驚おどろきに包つつまれた。

  The audience was amazed by the performance that rivaled that of a professional.