hang by a thread
As a Chinese idiom, Pinyin is zh ā ob ù B ǎ om ù, which means that you can't keep it in the morning and it will change at night. Extremely critical or in distress. It comes from Yuan Hong of Jin Dynasty.
The origin of Idioms
Yuan Hong of Jin Dynasty wrote in the later Han Dynasty: Zhi Di Ji: "when two thousand chief officials met the people, they either sold land and houses, or beat Chu with their own life. They were bored in size and could not keep their days."
Analysis of Idioms
Near synonym: precarious
Idiom usage
The situation is in crisis. The people who are in power after the majority always have the heart of being in danger. They always have the thought of "five days in Beijing". How can they benefit the country and the people! On the gains and losses of ethnic revolution and political revolution by Liang Qichao
hang by a thread
one 's complexion is clear as jade - miàn rú guān yù
the source is distant and the stream long - yuán yuǎn liú cháng
be most perfectly fulfilled both in love and duty - rén zhì yì jìn
bitterness ends and happiness begins - kǔ jìn tián lái