4 sentences

1. 他在日记本上写下了今天的感悟。

   tā zài rì​jì​běn shàng xiě​xià le jīn​tiān de gǎn​wù.

   He wrote down today's reflections in his diary.

   Source: Dong Chinese Dictionary

2. 读完这本书，他对人生有了深刻的感悟。

   dú wán zhè běn shū, tā duì rén​shēng yǒu le shēn​kè de gǎn​wù.

   After reading this book, he gained deep insights into life.

   Source: Dong Chinese Dictionary

3. 老子的思想深深地吸引了他，让他对生命有了新的感悟。

   Lǎo​zǐ de sī​xiǎng shēn​shēn de xī​yǐn le tā, ràng tā duì shēng​mìng yǒu le xīn de gǎn​wù.

   Laozi's philosophy deeply fascinated him, giving him new insights into life.

   Source: Dong Chinese Dictionary

4. 我们要用心去感悟大自然的美。

   wǒ​men yào yòng​xīn qù gǎn​wù dà​zì​rán de měi.

   We should use our hearts to appreciate the beauty of nature.

   Source: Dong Chinese Dictionary