儆

以儆效尤

yǐ jǐng xiào yóu

(idiom) to warn against following bad examples; as a warning to others

儆戒

jǐng jiè

to warn

惩一儆百

chéng yī jǐng bǎi

lit. punish one to warn one hundred (idiom)

杀一儆百

shā yī jǐng bǎi

lit. kill one to warn a hundred (idiom); to punish an individual as an example to others

杀鸡儆猴

shā jī jǐng hóu

lit. to kill the chicken to warn the monkey (idiom)