6 sentences

1. 这个问题最为关键。

   zhè gè wèn​tí zuì​wéi guān​jiàn.

   This issue is the most critical.

   Source: Dong Chinese Dictionary

2. 封建制度在周代最为完善。

   fēng​jiàn zhì​dù zài Zhōu​dài zuì​wéi wán​shàn.

   The feudal system was most developed during the Zhou Dynasty.

   Source: Dong Chinese Dictionary

3. 他是我在工作中最为得力的助手。

   tā shì wǒ zài gōng​zuò zhōng zuì​wéi dé​lì de zhù​shǒu.

   He is my most capable assistant at work.

   Source: Dong Chinese Dictionary

4. 他在所有的学科中，数学成绩最为优异。

   tā zài suǒ​yǒu de xué​kē zhōng, shù​xué chéng​jì zuì​wéi yōu​yì.

   Among all his subjects, his math grades are the most outstanding.

   Source: Dong Chinese Dictionary

5. 这是人类已知的最为危险的战争的基础。

   zhè shì rén​lèi yǐ​zhī de zuì​wéi wēi​xiǎn de zhàn​zhēng de jī​chǔ.

   This is the basis for the most potentially dangerous warfare known to mankind.

   Source: OpenSubtitles

6. 这里的风景美不胜收，尤以秋天的红叶最为出名。

   zhè​lǐ de fēng​jǐng měi​bù​shèng​shōu, yóu yǐ qiū​tiān de hóng​yè zuì​wéi chū​míng.

   The scenery here is breathtakingly beautiful, and it is especially famous for its red leaves in autumn.

   Source: Dong Chinese Dictionary