惩一儆众 (懲一儆眾) chéng yī jǐng zhòng

chéng yī jǐng zhòng set phrase punish one to warn all
Domain: Literary Chinese 文言文
Notes: Variant of 惩一警百 (Guoyu '懲一儆眾'; Mathews 1931 '懲一警百', p. 50)