2 sentences

1. 警车在街道上飞快地行驶。

   jǐng​chē zài jiē​dào shàng fēi​kuài de xíng​shǐ.

   Police cars are speeding through the streets.

   Source: Dong Chinese Dictionary

2. 你偷了一辆警车。

   nǐ tōu le yī liàng jǐng​chē.

   You stole a cop car.

   Source: OpenSubtitles