JMdict: 2420180

餅は餅屋 【もちはもちや】

  1. [exp] every man knows his own business best; one should go to specialists for the best results; for rice cakes, (go to) the rice cake shop
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
Mochi Rice Cake ヘイ, ヒョウ もち, もちい
Roof, House, Shop, Dealer, Seller オク