说一不二 (shuō yī bù èr) | Meaning: to say one and mean just that (idiom); to keep one's word | Chinese Idiom with Pinyin & Origin

to speak and keep one's promise (idiom); as good as one's word言而有信yán ér yǒu xìn

(idiom) it's a deal · that's settled then一言为定yī yán wéi dìng

candid · frank直率zhí shuài

honest诚实chéng shí

fixed · unalterable划一不二huà yī bù èr

external appearance and inner thoughts coincide (idiom); to say what one means · to think and act as one表里如一biǎo lǐ rú yī

to say one and mean just that (idiom); to keep one's word