a speaking acquaintance
General acquaintance, Chinese idiom, Pinyin is f à NF à nzh à Ji à o, which means a friend who is not very close to each other. It comes from Volume 38 of Zhu Xi's Zhu Zi Yu Lei.
The origin of Idioms
Zhu Xi's Zhu Zi Yu Lei (Volume 38) of the Song Dynasty said: "friends are inherently deep and shallow. If they are general friends, they have to deal with each other one by one
Idiom usage
Examples are not communicative at all, or they are common. Letters to Zhang tingqian by Lu Xun
Chinese PinYin : fàn fàn zhī jiāo
a speaking acquaintance
traces left by chariot and horse. chē zhé mǎ jì