say yes and mean no
As a Chinese idiom, the Pinyin is m à OSH à x à NF à I, which means that what you do on the surface is completely different from what you think in your heart; the metaphor is different from what you say on the surface; it is the same as "what you say on the surface". It comes from the notes of Yuewei thatched cottage.
The origin of Idioms
Ji Yun of the Qing Dynasty wrote in the notes of Yuewei thatched cottage: "you've done something to be ungrateful recently. You know that the rules of the past were all right and wrong. Now you are no longer afraid of you."
Idiom usage
It refers to the difference between the outside and the inside.
say yes and mean no