4 sentences for 勤 (qín — diligent)

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