3 sentences for 森严 (sēn​yán — rigid)

1. 古代社会存在着森严的等级制度。

   gǔ​dài shè​huì cún​zài zhe sēn​yán de děng​jí zhì​dù.

   A strict hierarchy existed in ancient society.

   Source: Dong Chinese Dictionary

2. 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

3. 在那个等级森严的社会，这被视为下流职业。

   zài nà​gè děng​jí sēn​yán de shè​huì, zhè bèi shì​wéi xià​liú zhí​yè.

   In that strictly hierarchical society, this was considered a lowly profession.

   Source: Dong Chinese Dictionary