餅は餅屋
もちはもちや, モチはモチやmochihamochiya
expression
- 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
もちはもちや, モチはモチやmochihamochiya
expression
Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences