今天风很大，外面挺凉的，多穿点。

jīntiān fēng hěn dà, wàimiàn tǐng liáng de, duō chuān diǎn.

The wind is strong today and it's quite cool outside; put on more clothes.

这杯茶放凉了，我再给你倒一杯热的。

zhè bēi chá fàng liáng le, wǒ zài gěi nǐ dào yī bēi rè de.

This cup of tea has gone cold; let me pour you a hot one.

秋天到了，早晚的天气开始变凉了。

qiūtiān dào le, zǎowǎn de tiānqì kāishǐ biàn liáng le.

Autumn has arrived, and the weather in the mornings and evenings is getting cool.