7 sentences

1. 公民有依法纳税的义务。

   gōng​mín yǒu yī​fǎ nà shuì de yì​wù.

   Citizens have the duty to pay taxes according to the law.

   Source: Dong Chinese Dictionary

2. 她正在灯下纳鞋底。

   tā zhèng​zài dēng xià nà xié​dǐ.

   She is stitching the soles of shoes under the lamp.

   Source: Dong Chinese Dictionary

3. 这个小瓶子能容纳很多水。

   zhè gè xiǎo píng​zi néng róng nà hěn​duō shuǐ.

   This small bottle can hold a lot of water.

   Source: Dong Chinese Dictionary

4. 老人们在树荫下纳凉聊天。

   lǎo​rén men zài shù​yīn xià nà liáng liáo​tiān.

   The elderly are enjoying the cool shade and chatting under the trees.

   Source: Dong Chinese Dictionary

5. 纳先生是这家公司的创始人。

   Nà xiān​sheng shì zhè jiā gōng​sī de chuàng​shǐ​rén.

   Mr. Na is the founder of this company.

   Source: Dong Chinese Dictionary

6. 他纳了妾室。

   tā nà le qiè shì.

   He took a concubine.

   Source: Dong Chinese Dictionary

7. 这台仪器的反应时间缩短到了纳秒级别。

   zhè tái yí​qì de fǎn​yìng shí​jiān suō​duǎn dào le nà miǎo jí​bié.

   The response time of this instrument has been reduced to the nanosecond level.

   Source: Dong Chinese Dictionary