3 sentences

1. 谁胜谁负，还要请裁判来评。

   shéi shèng shéi fù, hái yào qǐng cái​pàn lái píng.

   The referee will have to judge who wins and who loses.

   Source: Dong Chinese Dictionary

2. 通过民主投票，大家评他当组长。

   tōng​guò mín​zhǔ tóu​piào, dà​jiā píng tā dāng zǔ​zhǎng.

   Everyone voted him to be the group leader through a democratic process.

   Source: Dong Chinese Dictionary

3. 这件事的是非对错，大家自有评说。

   zhè jiàn shì de shì​fēi duì​cuò, dà​jiā zì yǒu píng shuō.

   People will have their own opinions on the rights and wrongs of this matter.

   Source: Dong Chinese Dictionary