What are the four-word idioms about honesty?

1. The four-word idiom about honesty is: sincere and trustworthy, sincere and trustworthy, words and trustworthy, words and trustworthy, a deal, a word kept, sincere and trustworthy.

2. Sincerity and truthfulness, a China idiom. Pinyin is bào chéng shǒu zhēn, which means sincerity and compliance.

3, golden mouth and jade words, Chinese idioms, pinyin is jρ JρJīn kǒu yùyán n, old customs refer to what the emperor said. Now refers to saying something that cannot be changed (used in irony).

4, keep promise, China idiom, Pinyin is yán ér yǒu xìn, which means to speak reliably and have credit.