relegate to limbo
As a Chinese idiom, Pinyin is d ǎ R ù L ě NGG ō ng, which means that people are not valued or put things aside.
Idiom explanation
Cold palace: the ancient emperors put the out of favor concubines under house arrest in a lonely palace.
Idiom usage
Not to be taken seriously. She has been put in the cold.
relegate to limbo
well-known mountains and rivers - míng shān shèng chuān
except so-and-so , none of them was worth a dime - zì kuài yǐ xià
a small leak will sink a great ship - xiǎo xì chén zhōu