Lost souls
In Chinese, Pinyin is y í h ú NW á ngpॸ, which means to abandon thoughts and stop mental activities. It comes from Yan Zun's theory of moral direction, Dacheng ruoque.
The origin of Idioms
In Han Dynasty, Yan Zun's "theory of moral direction · Dacheng ruoque" said: "if you are lost, you should rest your spirit."
Idiom usage
It can be used in writing.
Lost souls
without regarding a thousand miles as very distant -- take though it were a thousand miles away - bù yuǎn qiān lǐ
any words can not defend themselves - bǎi cí mò biàn
die for the sake of righteousness - kāng kǎi fù yì