4 sentences

1. 在一些古籍中，“札”这个字被用来指代瘟疫。

   zài yī​xiē gǔ​jí zhōng,“ zhá” zhè​ge zì bèi yòng​lái zhǐ​dài wēn​yì.

   In some ancient texts, the character 'Zha' was used to refer to plagues.

   Source: Dong Chinese Dictionary

2. 在古代等级制度中，小人指代地位低微的人。

   zài gǔ​dài děng​jí zhì​dù zhōng, xiǎo​rén zhǐ​dài dì​wèi dī​wēi de rén.

   In the ancient hierarchy, 'xiaoren' referred to people of low social status.

   Source: Dong Chinese Dictionary

3. 在古汉语中，“卢”这个字可以指代一种盛饭的器皿。

   zài gǔ​hàn​yǔ zhōng,“ lú” zhè​ge zì kě​yǐ zhǐ​dài yī zhǒng chéng​fàn de qì​mǐn.

   In ancient Chinese, the character 'Lu' could refer to a type of vessel for holding rice.

   Source: Dong Chinese Dictionary

4. 古人常在哲学论述中使用大方一词，用来指代广阔无垠的大地。

   gǔ​rén cháng zài zhé​xué lùn​shù zhōng shǐ​yòng dà​fāng yī cí, yòng​lái zhǐ​dài guǎng​kuò wú​yín de dà​dì.

   The ancients often used the term 'Dafang' in philosophical discourses to refer to the vast and boundless earth.

   Source: Dong Chinese Dictionary