jǐng

to alert

to warn; police

reverence (敬) + words (言) = alert and warn

言 (speech/words) carries the meaning: a warning is words that put you on alert. 敬 mainly contributes the sound jǐng rather than its 'respect' meaning here.

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RespectPhonetic
SpeechSemantic

出门前,妈妈告我要小心。

chū mén qián, māma jǐng gào wǒ yào xiǎo xīn。

Before going out, mom warned me to be careful.

路边停着一辆车。

lù biān tíng zhe yī liàng jǐng chē。

A police car is parked by the side of the road.

Words with 警

警笛

jǐng dí

siren

边防警察

biān fáng jǐng chá

border police

防暴警察

fáng bào jǐng chá

riot police

电子警察

diàn zǐ jǐng chá

traffic camera

电警棍

diàn jǐng gùn

stun baton

预警

yù jǐng

warning

预警机

yù jǐng jī

early warning aircraft system, e.g. US AWACS

预警系统

yù jǐng xì tǒng

early warning system

香港警察

xiāng gǎng jǐng chá

Hong Kong Police Force (since 1997)

骑警

qí jǐng

mounted police (on horse or motorbike)

骑警队

qí jǐng duì

mounted police detachment (on horse or motorbike)

中国人民武装警察部队

zhōng guó rén mín wǔ zhuāng jǐng chá bù duì

Chinese People's Armed Police Force (PAP, aka CAPF)

More characters with 敬