3 sentences

1. 他四处奔走，为受害者鸣不平。

   tā sì​chù bēn​zǒu, wèi shòu​hài​zhě míng bù​píng.

   He traveled everywhere to voice grievances on behalf of the victims.

   Source: Dong Chinese Dictionary

2. 他为了筹集手术费而四处奔走。

   tā wèi le chóu​jí shǒu​shù​fèi ér sì​chù bēn​zǒu.

   He went around seeking help to raise money for the surgery fees.

   Source: Dong Chinese Dictionary

3. 听到胜利的消息，人们奔走相告。

   tīng​dào shèng​lì de xiāo​xi, rén​men bēn​zǒu xiāng​gào.

   Upon hearing the news of victory, people ran around telling each other.

   Source: Dong Chinese Dictionary