The moon threatens the tongue
It is a Chinese idiom with the pronunciation of "Y ǔ ch ū Yu è Xi é", which means to utter something amazing and unusual.
explain
It's amazing, it's extraordinary.
source
Huang Fu of the Tang Dynasty is a preface to Gu Kuang Ji, which says: "in the long lines of Yi Ge, the horse's hair is sharp, and it's often like wearing the heart of heaven and threatening the moon. It's surprising. The language is extraordinary and the fastest."
The moon threatens the tongue
it is better to leave a deficiency uncovered than to have it covered without discretion - nìng quē wù làn
imitate others and thus lose one 's own individuality - hán dān xué bù