警笛

警笛声 jǐngdíshēng #32,276

sound of a siren / siren wailing

警报 jǐngbào #2,393

alarm / alert / warning signal

警 jǐng #738

to warn; to alert / police; police officer / alarm; vigilance

警报器 jǐngbàoqì #12,606

alarm; siren

警员 jǐngyuán #4,133

police officer / constable

警卫 jǐngwèi #3,406

guard / security guard / sentinel

警惕 jǐngtì HSK 7-9 #5,524

to be vigilant / to be on guard / to be alert

警察局 jǐngchájú #2,884

police station / police department

警长 jǐngzhǎng #1,970

sheriff / police chief / marshal

报警 bàojǐng HSK 5 #1,774

to report to the police; to call the police / to sound an alarm