Noviro
警笛
Simplified 警笛
Traditional 警笛
Pinyin jǐng dí
Definition siren
街上响起警笛声
Jiē shàng xiǎng qǐ jǐng dí shēng
Siren sounds went off on the street
You might also see
笛
dí
flute
警察
jǐng chá
police; police officer
HSK3
长笛
cháng dí
(Western) concert flute
笛子
dí zi
bamboo flute
汽笛
qì dí
steam whistle; ship horn
风笛
fēng dí
bagpipes
鸣笛
míng dí
to hoot; to whistle
直笛
zhí dí
(Tw) recorder (musical instrument)