What if there is an unreasonable neighbor?

Since patience over and over again doesn't help, you can consider a more proactive approach.

Mashan is ridden and the whole mountain is bullied, which is the most incisive motto summarized by our ancestors.

The more honest, the worse. That is the reality.

Knocking on the wall in the middle of the night, if the time is long enough, call 1 10. Within 20 minutes, a policeman should come to the door, give a warning once and impose a fine for the second time, which is estimated to have certain effect.

If they have a car downstairs, they can consider it. In any case, they can't let their buildings mess around.