2 sentences for 平淡 (píng​dàn — dull)

1. 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

2. 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