Break the promise
Break the treaty, Chinese idiom, Pinyin is B è im é NGB à iyu à, meaning betray the oath, tear up the treaty. From the theory of six states.
Idiom explanation
Back: against. Pledge: pledge. Failure: corruption. Refers to tearing. Betray the oath, break the covenant.
The origin of Idioms
Su Zhe of the Song Dynasty wrote in his treatise on the six Kingdoms: "I don't know where to go, but I am greedy of the size of the battlefield (Y ì), breaking the alliance and losing the treaty, and killing myself."
Idiom usage
To tear up a contract
Break the promise
The birds of Vietnam live in the south - yuè niǎo nán qī
one cannot shirk responsibility for one 's crimes - zuì zé nán táo