2 sentences for 鈍 (dùn — stupid)

1. 我学得比较迟钝。

   wǒ xué de bǐ​jiào chí​dùn.

   I'm a slow learner.

   Source: OpenSubtitles

2. 互联网令我们更聪明还是更愚钝？

   hù​lián​wǎng lìng wǒ​men gèng cōng​ming hái​shi gèng yú​dùn?

   Is the internet making us smarter or dumber?

   Source: CCMatrix