4 sentences

1. 在一些古文中，“伯”通“百”。

   zài yī​xiē gǔ​wén zhōng,“ bó” tōng“ bǎi”.

   In some ancient texts, the character '伯' is interchangeable with '百'.

   Source: Dong Chinese Dictionary

2. 这篇古文的意旨宏奥，极难完全领会。

   zhè piān gǔ​wén de yì​zhǐ hóng ào, jí nán wán​quán lǐng​huì.

   The meaning of this ancient text is profound and abstruse, making it very difficult to fully grasp.

   Source: Dong Chinese Dictionary

3. 他连普通话都说不好，何况是古文呢？

   tā lián pǔ​tōng​huà dōu shuō bù hǎo, hé​kuàng shì gǔ​wén ne?

   He can't even speak Mandarin well, let alone classical Chinese.

   Source: Dong Chinese Dictionary

4. 老师解释说，那字在古文中常与何连用，表示如何。

   lǎo​shī jiě​shì shuō, nuó zì zài gǔ​wén zhōng cháng yǔ hé lián​yòng, biǎo​shì rú​hé.

   The teacher explained that in classical Chinese, the character 'na' is often used in conjunction with 'he' to mean 'how'.

   Source: Dong Chinese Dictionary