8 sentences

1. 下了一场雨，天气凉快多了。

   xià le yī cháng yǔ, tiān​qì liáng​kuai duō le.

   After the rain, the weather is much cooler.

   Source: Dong Chinese Dictionary

2. 晚上更凉快点。

   wǎn​shang gèng liáng​kuai diǎn.

   It's cooler at night.

   Source: OpenSubtitles

3. 这件衣服的料子很透气，夏天穿着很凉快。

   zhè jiàn yī​fu de liào​zi hěn tòu​qì, xià​tiān chuān zhe hěn liáng​kuai.

   The fabric of this garment is very breathable, making it cool to wear in summer.

   Source: Dong Chinese Dictionary

4. 这张草席是纯手工编织的，夏天睡在上面非常凉快。

   zhè zhāng cǎo​xí shì chún shǒu​gōng biān​zhī de, xià​tiān shuì zài shàng​miàn fēi​cháng liáng​kuai.

   This straw mat is hand-woven, and it feels very cool to sleep on in the summer.

   Source: Dong Chinese Dictionary

5. 他在院子里洒水汛地，希望能让周围的环境凉快一点。

   tā zài yuàn​zi lǐ sǎ​shuǐ xùn de, xī​wàng néng ràng zhōu​wéi de huán​jìng liáng​kuai yī​diǎn.

   He sprinkled water on the ground in the yard, hoping to cool down the surroundings.

   Source: Dong Chinese Dictionary

6. 她夏天穿得很凉快。

   tā xià​tiān chuān de hěn liáng​kuai.

   She dresses very coolly in the summer.

   Source: Dong Chinese Dictionary

7. 我们去树阴下凉快一下吧。

   wǒ​men qù shù​yīn xià liáng​kuai yī​xià ba.

   Let's go cool off in the shade of the trees.

   Source: Dong Chinese Dictionary

8. 没你的事，哪儿凉快哪儿呆着去！

   méi nǐ de shì, nǎ​r liáng​kuai nǎ​r dāi zhe qù!

   It's none of your business; go away and leave us alone!

   Source: Dong Chinese Dictionary