3 sentences for 不平 (bù​píng — injustice)

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. 遇到不平的事，我们当挺身而出。

   yù​dào bù​píng de shì, wǒ​men dāng tǐng​shēn'ér​chū.

   When encountering injustice, we should stand up for what's right.

   Source: Dong Chinese Dictionary

3. 他在小说中描写了社会底层的种种不平。

   tā zài xiǎo​shuō zhōng miáo​xiě le shè​huì dǐ​céng de zhǒng​zhǒng bù​píng.

   In his novel, he depicted the various injustices suffered by those at the bottom of society.

   Source: Dong Chinese Dictionary