Three to four
It is a Chinese idiom, Pinyin is "is" nd "ngs", which means to describe the crowd, one after another.
Analysis of Idioms
Three to five, three to five
The origin of Idioms
The fourth chapter of Pingyao Zhuan: "Banxian dismounts at the gate of palisade, but he does not enter the house. He stands in the hall. Everyone is surrounded by three or four people. One by one, they stretch out their hands and ask the imperial doctor to see the pulse."
Idiom usage
It can be used as predicate and attributive to describe crowded people.
Examples
After the check-in, the guests, like the city, can't afford to be idle. Wake up to the world
Three to four
Public talent and public expectation - gōng cái gōng wàng
Moving the country and moving the people - yí guó dòng zhòng
look , listen , question and feel the pulse -- four ways of diagnosis - wàng wén wèn qiē