3 sentences

1. 勇气，是故意踩人行道的缝隙。

   yǒng​qì, shì gù​yì cǎi rén​xíng​dào de fèng​xì.

   Courage is deliberately stepping on sidewalk cracks.

   Source: AI Challenger 2017

2. 每个裂缝和缝隙都是密封的。

   měi​gè liè​fèng hé fèng​xì dōu shì mì​fēng de.

   Every crack and crevice is sealed.

   Source: CCMatrix

3. 我的眼睛注视着这两座建筑物之间的缝隙。

   wǒ​de yǎn​jing zhù​shì zhe zhè liǎng zuò jiàn​zhù​wù zhī​jiān de fèng​xì.

   My eyes were fixed on the gap between the two buildings.

   Source: CCMatrix