Pronunciation: [bê s ā n bê s]
Interpretation: it means that it is not decent, and it also means that it does not look like it.
Source: Shi Ming Nai 'an's "Water Margin" The seventh time: "This group of people are no three no four, and they refuse to go near. Don't be embarrassed."
Make sentences:
You must make a clean break with those irresponsible people and never break up.
No, three, no, four, seven ups and downs, whether you go or not, I will go.
Out of kindness, I advised him to stay away from those irresponsible people.
Xue Xiaoli has made a clean break with those irresponsible friends, and her academic performance has improved significantly.
Let's not deal with those who are no three no four.