5 sentences

1. 他的演讲枯燥无味。

   tā de yǎn​jiǎng kū​zào wú​wèi.

   His speech was dull and dry.

   Source: Dong Chinese Dictionary

2. 他的演说听起来枯燥乏味。

   tā de yǎn​shuō tīng qi​lai kū​zào fá​wèi.

   His speech sounded dull and tedious.

   Source: Dong Chinese Dictionary

3. 这种枯燥的工作让人感到厌烦。

   zhè zhǒng kū​zào de gōng​zuò ràng rén gǎn​dào yàn​fán.

   This kind of dull work is boring.

   Source: Dong Chinese Dictionary

4. 如果你觉得生活太枯燥，可以出门散散心。

   rú​guǒ nǐ jué​de shēng​huó tài kū​zào, kě​yǐ chū​mén sàn sàn​xīn.

   If you find life too boring, you can go out to relax.

   Source: Dong Chinese Dictionary

5. 这篇报告只有枯燥的数据，文字表述显得很干燥。

   zhè piān bào​gào zhǐ​yǒu kū​zào de shù​jù, wén​zì biǎo​shù xiǎn​de hěn gān​zào.

   The report contains only dull data, and the writing style is very dry.

   Source: Dong Chinese Dictionary