耕當問奴,織當訪婢 [ㄍㄥ ㄉㄤ ㄨㄣˋ ㄋㄨˊ , ㄓ ㄉㄤ ㄈㄤˇ ㄅㄧˋ; geng1 dang1 wen4 nu2 , zhi1 dang1 fang3 bi4] if it's plowing ask the laborer, if it's weaving ask the maid (idiom); when managing a matter, consult the appropriate specialist ◄ ►