fail to keep faith
Chinese idiom, Pinyin is y á n é RB ù x ì n, meaning to speak without credit. It comes from Huainanzi · Tai nationality training.
The origin of Idioms
"Huainanzi · Taizu Xun" says: "giving without benevolence, words without faith, anger without power, is based on appearance."
Analysis of Idioms
[synonym]: words without faith [antonym]: words with faith
Idiom usage
Used as a predicate or attributive.
fail to keep faith
The exterior is not as strong as the interior - biǎo zhuàng bù rú lǐ zhuàng
make every move only after mature deliberation - lǎo móu shēn suàn
invite a wolf into the house ---- open the door to a dangerous foe - yǐn gǒu rù zhai