9 sentences

1. 古人云：业精于勤而荒于嬉。

   gǔ​rén yún: yè jīng yú qín ér huāng yú xī.

   The ancients said: 'Excellence in work comes from diligence, while neglect comes from play.'

   Source: Dong Chinese Dictionary

2. 这位市长勤政爱民，在当地很有威望。

   zhè wèi shì​zhǎng qín zhèng ài​mín, zài dāng​dì hěn yǒu wēi​wàng.

   The mayor is diligent and cares for the people, and he is highly respected in the local area.

   Source: Dong Chinese Dictionary

3. 只要你手勤一点，家里就不会乱得没法住人。

   zhǐ​yào nǐ shǒu qín yī​diǎn, jiā​lǐ jiù bù huì luàn de méi​fǎ zhù​rén.

   As long as you are a bit more diligent, the house won't be too messy to live in.

   Source: Dong Chinese Dictionary

4. 选拔人才时，应当对其德、勤、绩、能进行全面考核。

   xuǎn​bá rén​cái shí, yīng​dāng duì qí dé, qín, jì, néng jìn​xíng quán​miàn kǎo​hé.

   When selecting talent, a comprehensive evaluation should be conducted on their integrity, diligence, performance, and ability.

   Source: Dong Chinese Dictionary

5. 他最近往图书馆跑得很勤。

   tā zuì​jìn wǎng tú​shū​guǎn pǎo de hěn qín.

   He has been going to the library quite frequently lately.

   Source: Dong Chinese Dictionary

6. 他们两家是表亲，所以走动得很勤。

   tā​men liǎng jiā shì biǎo​qīn, suǒ​yǐ zǒu​dòng de hěn qín.

   The two families are cousins, so they visit each other frequently.

   Source: Dong Chinese Dictionary

7. 一分耕耘一分收获，天道酬勤是自古不变的真理。

   yī fèn gēng​yún yī fèn shōu​huò, tiān​dào chóu qín shì zì​gǔ bù biàn de zhēn​lǐ.

   No pain, no gain; that God rewards the diligent is an eternal truth.

   Source: Dong Chinese Dictionary

8. 他为了讨好上司，天天在办公室里献勤抢着干活。

   tā wèi​le tǎo​hǎo shàng​si, tiān​tiān zài bàn​gōng​shì lǐ xiàn qín qiǎng zhe gàn​huó.

   To please his boss, he tries to be helpful and eager to work in the office every day.

   Source: Dong Chinese Dictionary

9. 他是我们单位的外勤，一年里有大半时间在外出差。

   tā shì wǒ​men dān​wèi de wài qín, yī nián lǐ yǒu dà​bàn shí​jiān zài wài chū​chāi.

   He is a field worker for our unit and spends most of the year on business trips.

   Source: Dong Chinese Dictionary