It's not worth a cent
Chinese idioms, Pinyin is B ù zh í y ī Qi á n, meaning metaphor is of no value. It comes from the biography of marquis Wei Qi'an in historical records.
The origin of Idioms
Both of them started as direct ministers, and were denounced as worthless in the late days. ——Shen De Fu, Ming Dynasty
Analysis of Idioms
Synonym: penniless antonym: Priceless
Idiom usage
As a predicate or attributive; of no value
It's not worth a cent
be closely related and mutually dependent - chún chǐ xiāng xū