5 sentences

1. 他过着一种平凡而平淡的生活。

   tā guò zhe yī zhǒng píng​fán ér píng​dàn de shēng​huó.

   He lives a simple and ordinary life.

   Source: Dong Chinese Dictionary

2. 他一生不求名利，只愿平淡生活。

   tā yī​shēng bù qiú míng​lì, zhǐ yuàn píng​dàn shēng​huó.

   He did not seek fame or fortune in his life, preferring a simple life.

   Source: Dong Chinese Dictionary

3. 他觉得自己只是个凡人，过着平淡的生活。

   tā jué​de zì​jǐ zhǐ​shì gè fán​rén, guò zhe píng​dàn de shēng​huó.

   He feels that he is just an ordinary person living a mundane life.

   Source: Dong Chinese Dictionary

4. 这部电影的情节相当平淡，没有太大的起伏。

   zhè bù diàn​yǐng de qíng​jié xiāng​dāng píng​dàn, méi​yǒu tài dà de qǐ​fú.

   The plot of this movie is quite bland, without much development or excitement.

   Source: Dong Chinese Dictionary

5. 虽然这个电影的开篇很平淡，但后面的情节却非常吸引人。

   suī​rán zhè​ge diàn​yǐng de kāi​piān hěn píng​dàn, dàn hòu​mian de qíng​jié què fēi​cháng xī​yǐn rén.

   Although the movie has a slow start, the subsequent plot is very captivating.

   Source: Dong Chinese Dictionary