惩一儆百

yán chéng zhè ge wéi shǒu de chéng yī jǐng bǎi

严惩这个为首的，惩一儆百。

Severely punish the ringleader as a warning to the rest.

wèi chéng yī jǐng bǎi jiān yù zhǎng chéng fá le zài jiān yù zhì zào sāo luàn de rén

为惩一儆百，监狱长惩罚了在监狱制造骚乱的人。

Those responsible for the disturbance in the prison were made examples of by the governor.