hard to distinguish good from bad
LAN AI is a Chinese idiom. Pinyin is l á n à in á NF à n, which means it is difficult to distinguish good from bad. It comes from the biography of Shen you in the book of Song Dynasty.
The origin of Idioms
The biography of Shen you in the book of song: "on the day of war, LAN AI is hard to separate. It's better to be flea (early) when the earth collapses
Idiom usage
It's hard to distinguish the good from the bad in today's society.
hard to distinguish good from bad
protect our homes and defend our country - bǎo jiā wèi guó
go through thick and thin together - tóng shēng sǐ,gòng cún wáng