懂中文 Dong Chinese

不辨菽麦

bù​biàn​shū​mài

lit. cannot tell beans from wheat ; fig. ignorant of practical matters

Definitions

不辨菽麦 (不辨菽麥) 

bù​biàn​shū​mài

lit. cannot tell beans from wheat (idiom); fig. ignorant of practical matters

Sources