2 sentences for 讨 (tǎo — denounce)

1. 诸侯联合起来讨伐暴君。

   zhū​hóu lián​hé qi​lai tǎo fá bào​jūn.

   The feudal lords united to crusade against the tyrant.

   Source: Dong Chinese Dictionary

2. 将军奉命率领精锐部队前去讨平叛乱。

   jiāng​jūn fèng​mìng shuài​lǐng jīng​ruì bù​duì qián​qù tǎo píng pàn​luàn.

   The general was ordered to lead elite troops to suppress the rebellion.

   Source: Dong Chinese Dictionary