profess one thing, but mean another
It's a Chinese idiom. Pinyin is k ǒ UB ù y ì NGX ī n, which means that the heart and mouth are different. It's from the romance of the Western chamber, lady's marriage suspension.
Idiom explanation
Should: comply with.
The origin of Idioms
Wang Shifu, Yuan Dynasty, wrote in the romance of the Western chamber, lady's marriage suspension: "my mother is so shy."
Analysis of Idioms
Antonym: right and wrong in words and different in heart; antonym: do what you say and do what you say
Idiom usage
It is used as predicate, object and adverbial. Officer, you said that last night, but you didn't answer it. Do that! (Xing Shi Heng Yan, Volume 8, by Feng Menglong of Ming Dynasty)
profess one thing, but mean another
proud and contemptuous of the work and its ways - qīng shì ào wù
defend those who belong to one 's own faction and attack those who don 't - dǎng tóng fá yì
stand head and shoulders above others - zhuó lì jī qún
change oneself for the better and keep away from evil - xǐ shàn yuǎn zuì