不辨菽麥 (bat1 bin6 suk6 mak6) — be unable to tell beans from wheat - have no knowledge of practical matters in Cantonese
batˉ¹不binˍ₆辨sukˍ₆菽makˍ₆麥简 不辨菽麦
Mandarin Pinyin: bu4 bian4 shu1 mai4
Meaning of 不辨菽麥
nounbe unable to tell beans from wheat - have no knowledge of practical matters