Proud son and foolish daughter
Jiaoer dannv, a Chinese idiom, Pinyin is Ji ā o é R á in ǚ, which means naive children. It comes from the preface to the famous works of gengyuxuan.
The origin of Idioms
Wen Zhengming's preface to Geng Yu Xuan's famous deeds of advocating reward in Ming Dynasty: "there is something between them. They are not proud children, but women. They are the capital of covering bottles."
Idiom usage
Used as a subject or object; used in writing
Proud son and foolish daughter
Beyond the present and beyond the past - chāo jīn jué gǔ