5 sentences

1. 其马冯冯，其声如雷。

   qí mǎ píng píng, qí shēng rú léi.

   The horses galloped vigorously with a sound like thunder.

   Source: Dong Chinese Dictionary

2. 冯先生是我们的新经理。

   Féng xiān​sheng shì wǒ​men de xīn jīng​lǐ.

   Mr. Feng is our new manager.

   Source: Dong Chinese Dictionary

3. 他在论文中详细考证了冯字在古籍里的词义。

   tā zài lùn​wén zhōng xiáng​xì kǎo​zhèng le Féng zì zài gǔ​jí lǐ de cí​yì.

   In his thesis, he conducted detailed textual research on the meaning of the character 'Feng' in ancient texts.

   Source: Dong Chinese Dictionary

4. 此乃冯大之业，不可轻视。

   cǐ nǎi píng dà zhī yè, bù kě qīng​shì.

   This is a grand undertaking and must not be underestimated.

   Source: Dong Chinese Dictionary

5. 不敢暴虎，不敢冯河。

   bù gǎn bào hǔ, bù gǎn píng hé.

   One should not try to fight a tiger barehanded or cross a river without a boat.

   Source: Dong Chinese Dictionary