4 sentences

1. 他不是不讲理的人。

   tā bù​shì bù jiǎng lǐ de rén.

   He's not an unreasonable man.

   Source: Tatoeba

2. 试图和他们讲理是没有意义的。

   shì​tú hé tā​men jiǎng lǐ shì méi​yǒu yì​yì de.

   Trying to reason with them is pointless.

   Source: CCMatrix

3. 总有一些人不讲理。

   zǒng yǒu yī​xiē rén bù​jiǎng​lǐ.

   There are always some people who are unreasonable.

   Source: Tatoeba

4. 不讲理的人总是在寻找创造性的方法来完成事情。

   bù​jiǎng​lǐ de rén zǒng​shì zài xún​zhǎo chuàng​zào​xìng de fāng​fǎ lái wán chéng shì​qing.

   Unreasonable people are always looking for creative ways to get things done.

   Source: CCMatrix