2 sentences

1. 在这条繁华的街道上，每天都有无数匆匆而过的过客。

   zài zhè tiáo fán​huá de jiē​dào shàng, měi tiān dōu yǒu wú​shù cōng​cōng ér guò de guò​kè.

   On this busy street, countless passersby rush past every day.

   Source: Dong Chinese Dictionary

2. 他意识到自己在这个城市只是一个过客，并不属于这里。

   tā yì​shí​dào zì​jǐ zài zhè​ge chéng​shì zhǐ​shì yī gè guò​kè, bìng bù shǔ​yú zhè​lǐ.

   He realized he was just a passerby in this city and didn't belong here.

   Source: Dong Chinese Dictionary