织当访婢 (織當訪婢) zhī dāng fǎng bì

zhī dāng fǎng bì set phrase if it's weaving, ask the maid; when managing a matter, consult the appropriate specialist
Domain: Idiom 成语
Notes: (CC-CEDICT '織當訪婢')

Also contained in

耕当问奴,织当访婢