这张照片拍得有点暗。

Zhè zhāng zhàopiàn pāi de yǒudiǎn àn.

This photo is a little dark.

天色开始暗了，我们回家吧。

Tiānsè kāishǐ àn le, wǒmen huíjiā ba.

It's starting to get dark, let's go home.

这房间很暗，我们可以开灯吗？

Zhè fángjiān hěn àn, wǒmen kěyǐ kāidēng ma?

This room is so dark, can we turn on a light?