Hide in the dark
It's a Chinese idiom, Pinyin y ù nd ú é RC á ng, hiding things in a cupboard. It's an old metaphor that Huai just retired.
Pinyin
yùndúércáng
explain
韫: it's hidden in the cupboard. Put the things in the cupboard and hide them. In the old days, it was metaphorical that my mind retired.
Classics
"The Analects of Confucius · Zihan": is there a beautiful jade in this place? When the king of Jin and Chu was employing people, the two generals had this magic arrow. When they heard about the king, the beautiful jade should not be hidden. ——The 58th chapter of Eastern Zhou Dynasty annals by Feng Menglong in Ming Dynasty
usage
It's a metaphor for huaicai.
Chinese PinYin : yùn dú ér cáng
Hide in the dark
the defects do not obscure the virtue. yú bù yǎn xiá
Introducing new ideas and explaining old ones. yǐn xīn tǔ gù
be astute in devising great plans. hóng cái dà lüè
crane one 's neck and stand on tiptoe. yán jǐng qǐ zhǒng
said of lao lai zi of the spring and autumn period. bān yī xì cǎi