耕当问奴

geng1 dang1 wen4 nu2

if it's plowing, ask the laborer (idiom); when managing a matter, consult the appropriate specialist

* * *

耕當問奴|耕当问奴 [gēng dāng wèn nú] ► if it's plowing, ask the laborer (idiom); when managing a matter, consult the appropriate specialist