2 sentences for 公道 (gōng​dao — fair)

1. 这种时候，需要有人出头来主持公道。

   zhè zhǒng shí​hou, xū​yào yǒu rén chū​tóu lái zhǔ​chí gōng​dao.

   At a time like this, someone needs to step forward to see justice done.

   Source: Dong Chinese Dictionary

2. 处理这件事情一定要公道，不能偏袒任何一方。

   chǔ​lǐ zhè jiàn shì​qing yī​dìng yào gōng​dao, bù néng piān​tǎn rèn​hé yī fāng.

   This matter must be handled fairly, without favoring either side.

   Source: Dong Chinese Dictionary