6 sentences

1. 太阳都还没下山就喊累？

   tài​yang dōu hái méi xià​shān jiù hǎn lèi?

   It's not even sunset and you're tired?

   Source: OpenSubtitles

2. 太阳下山后，气温降了很多。

   tài​yang xià​shān hòu, qì​wēn jiàng le hěn​duō.

   The temperature dropped significantly after the sun went down.

   Source: Dong Chinese Dictionary

3. 太阳下山后，天色渐渐变暗了。

   tài​yang xià​shān hòu, tiān​sè jiàn​jiàn biàn àn le.

   After the sun set, the sky gradually darkened.

   Source: Dong Chinese Dictionary

4. 太阳正在下山。

   tài​yang zhèng​zài xià​shān.

   The sun is setting.

   Source: OpenSubtitles

5. 天快黑了，我们赶紧下山吧。

   tiān kuài hēi le, wǒ​men gǎn​jǐn xià​shān ba.

   It's getting dark; let's hurry down the mountain.

   Source: Dong Chinese Dictionary

6. 山顶上风云变幻，我们必须在暴雨前赶快下山。

   shān​dǐng shàng fēng​yún biàn​huàn, wǒ​men bì​xū zài bào​yǔ qián gǎn​kuài xià​shān.

   The weather on the mountain top is changing rapidly; we must descend quickly before the rainstorm.

   Source: Dong Chinese Dictionary