HSK 5 · verb · Practice
报警
to call the police; to give an alarm
出事了，快报警！
Chūshì le, kuài bàojǐng!
Something's happened; call the police!
几个人在饭馆里闹事，老板只好报警。
Jǐ gè rén zài fànguǎn lǐ nàoshì， lǎobǎn zhǐhǎo bàojǐng。
A few people were making trouble in the restaurant, so the owner had to call the police.