4 sentences for 起伏 (qǐ​fú — fluctuations)

1. 这部小说故事情节波澜起伏，引人入胜。

   zhè bù xiǎo​shuō gù​shi qíng​jié bō​lán qǐ​fú, yǐn​rén​rù​shèng.

   The plot of this novel is full of twists and turns and is very captivating.

   Source: Dong Chinese Dictionary

2. 随着动人的旋律，听众的心情也随之起伏。

   suí​zhe dòng​rén de xuán​lǜ, tīng​zhòng de xīn​qíng yě suí zhī qǐ​fú.

   With the moving melody, the listeners' emotions rose and fell.

   Source: Dong Chinese Dictionary

3. 经历过这些起伏后，他把名利看得非常淡。

   jīng​lì guo zhè​xiē qǐ​fú hòu, tā bǎ míng​lì kàn de fēi​cháng dàn.

   After these ups and downs, he cares very little for fame and fortune.

   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