1 sentence

1. 古代社会的等级制度极其森严，不容僭越。

   gǔ​dài shè​huì de děng​jí zhì​dù jí​qí sēn​yán, bù róng jiàn​yuè.

   The social hierarchy in ancient times was extremely strict and could not be transgressed.

   Source: Dong Chinese Dictionary