Ding is Ding, Mao is Mao
Ding is Ding, Mao is Mao, from the 43rd chapter of a dream of Red Mansions by Cao Xueqin in Qing Dynasty. Ding is one of the heavenly stems and Mao is one of the earthly branches. If wrong, it will affect the lunar calendar. If Ding is convex and Mao is concave, they can fit each other. It describes doing things seriously without any confusion.
explain
D: one of the heavenly stems. Mao: one of the earthly branches. Ding is the fourth of tiangan and Mao is the fourth of dizhi. Although they are the same, they can not be confused. to describe being serious about things without any ambiguity. other writing methods: nail is nail, rivet is rivet
source
Chapter 43 of a dream of Red Mansions by Cao Xueqin in the Qing Dynasty: "I see your interests. If something happens tomorrow, I'll say" Ding is Ding, Mao is Mao ". Don't complain."
usage
Example: he speaks and does things, which has won everyone's trust. Money matters a lot, even if he is younger than my nephew, he will. Chapter 43 of Li Baojia's officialdom in the Qing Dynasty
Ding is Ding, Mao is Mao
have the strong willpower that can make an arrow pierce even stone - méi shí yǐn yǔ
check erroneous ideas at the outset - fáng méng dù jiàn
Don't know the true face of Lushan - bù shí lú shān zhēn miàn mù