耕当问奴 (耕當問奴) gēng dāng wèn nú

gēng dāng wèn nú set phrase if it's plowing, ask the laborer; when managing a matter, consult the appropriate specialist
Domain: Idiom 成语
Notes: (CC-CEDICT '耕當問奴')

Also contained in

耕当问奴,织当访婢