4 sentences

1. 一点尘埃，何以为毒？

   yī​diǎn chén'āi, hé​yǐ wéi dú?

   How can a bit of dust be poison?

   Source: OpenSubtitles

2. 书架上落满了尘埃。

   shū​jià shàng luò mǎn le chén'āi.

   The bookshelf is covered in dust.

   Source: Dong Chinese Dictionary

3. 阳光照进房间，可以看到空气中漂浮着细微的尘埃。

   yáng​guāng zhào​jìn fáng​jiān, kě​yǐ kàn​dào kōng​qì zhōng piāo​fú zhe xì​wēi de chén'āi.

   As sunlight streams into the room, fine dust can be seen floating in the air.

   Source: Dong Chinese Dictionary

4. 阳光斜射进窗户，可以清晰地看到尘埃在空气中飞舞。

   yáng​guāng xié​shè jìn chuāng​hu, kě​yǐ qīng​xī de kàn​dào chén'āi zài kōng​qì zhōng fēi​wǔ.

   As the sunlight slanted through the window, dust motes could be clearly seen dancing in the air.

   Source: Dong Chinese Dictionary