3 sentences

1. 别在暗淡的烛光下看书。

   bié zài àn​dàn de zhú​guāng xià kàn shū.

   Don't read by dim candle-light.

   Source: AI Challenger 2017

2. 避免黑色和其他暗淡的颜色。

   bì​miǎn hēi​sè hé qí​tā àn​dàn de yán​sè.

   Avoid black and other dull colors.

   Source: CCMatrix

3. 现在冬天来了，很多人都抱怨头发干枯、暗淡、易碎。

   xiàn​zài dōng​tiān lái le, hěn​duō rén dōu bào​yuàn tóu​fa gān​kū, àn​dàn, yì​suì.

   Now that the winter months are here, many people complain about dry, dull and brittle hair.

   Source: CCMatrix