4 sentences

1. 这个阶层曾是该国的统治贵族。

   zhè gè jiē​céng céng shì gāi guó de tǒng​zhì guì​zú.

   This class was once the ruling nobility of the country.

   Source: Dong Chinese Dictionary

2. 公司高层都来自日本古老的贵族世家。

   gōng​sī gāo​céng dōu lái​zì Rì​běn gǔ​lǎo de guì​zú shì​jiā.

   The top executives are from old Japanese aristocratic families.

   Source: OpenSubtitles

3. 获封公爵是那个时代贵族能得到的最高荣誉。

   huò​fēng gōng​jué shì nà gè shí​dài guì​zú néng dé​dào de zuì gāo róng​yù.

   Being titled a duke was the highest honor an aristocrat could receive in that era.

   Source: Dong Chinese Dictionary

4. 这位年轻的贵族继承了家族的庄园。

   zhè wèi nián​qīng de guì​zú jì​chéng le jiā​zú de zhuāng​yuán.

   The young nobleman inherited his family's estate.

   Source: Dong Chinese Dictionary