have a tacit understanding
As a Chinese idiom, Pinyin is d é y à w à ngy á n, which originally means that words express meaning. Now that you know the meaning, you don't need words any more. Later, it means that you know each other's heart and don't need to say it clearly. It comes from Chuang Tzu's foreign things.
The origin of Idioms
Chuang Tzu: foreign things: "the hoof is in the rabbit, and the hoof is forgotten when the rabbit gets it. So the speaker cares and forgets to speak
Idiom usage
It refers to the tacit knowledge. examples those who are confused with prescriptions hold on to the images of literature and mud, while those who are close friends forget what they mean. The opening of the mystery of the cave by Yang Shen in Ming Dynasty
Chinese PinYin : dé yì wàng yán
have a tacit understanding
a faint smile on one 's face. sì xiào fēi xiào
harm the country and bring calamities on the people. dù guó yāng mín
have sufficient grounds for one 's views. chí zhī yǒu gù
punish one as a warning to a hundred. fěng yī quàn bǎi