3 sentences

1. 我好久没有看到夕阳了。

   wǒ hǎo​jiǔ méi​yǒu kàn dào xī​yáng le.

   It's been a while since I last saw a sunset.

   Source: OpenSubtitles

2. 好好享受你们最后几个夕阳吧。

   hǎo​hǎo xiǎng​shòu nǐ​men zuì​hòu jǐ​ge xī​yáng ba.

   Enjoy your last few sunsets.

   Source: AI Challenger 2017

3. 我们坐在海滩上，观赏着夕阳西下。

   wǒ​men zuò​zài hǎi​tān shang, guān​shǎng zhe xī​yáng​xī​xià.

   We sat on the beach watching the setting sun.

   Source: AI Challenger 2017