Nine out of ten
Nine things out of ten are idioms, Pinyin J ǔ sh í zh ī Ji ǔ, interpreted as knowledgeable.
Idiom explanation
Explanation: of the ten things listed, nine are familiar with them. It's a metaphor for erudition.
The origin of Idioms
Source: Zhang Shuo of Tang Dynasty said in the tablet of Wei Jun, the governor of Yuzhou in the past of Tang Dynasty: "the aspiration of a sage is to hear one thing and then turn against three; the ability of a gentleman is to raise ten things and then know nine."
Examples of Idioms
Example: teachers with both ability and political integrity naturally have a high prestige among students.
Nine out of ten
We can't talk about the ugly family - jiā chǒu bù kě wài tán
big and irregular timber has no use - cái dà nán yòng
Carrying the old and supporting the weak - xié lǎo fú ruò
Beauty is in the eye of the beholder. - qíng rén yǎn lǐ chū xī shī