3 sentences

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. 春秋时期，各路诸侯割据一方。

   Chūn​qiū shí​qī, gè lù zhū​hóu gē​jù yī fāng.

   During the Spring and Autumn period, various feudal lords occupied different regions.

   Source: Dong Chinese Dictionary

3. 春秋时期，诸侯之间为了争霸而连年征战。

   Chūn​qiū shí​qī, zhū​hóu zhī​jiān wèi​le zhēng​bà ér lián​nián zhēng​zhàn.

   During the Spring and Autumn period, the feudal lords fought for years to achieve hegemony.

   Source: Dong Chinese Dictionary