蛮不讲理

tā pí qi hěn huài qiě mán bù jiǎng lǐ

他脾气很坏，且蛮不讲理。

He's bad-tempered and wilful.

xǐ nù wú cháng mán bù jiǎng lǐ

喜怒无常，蛮不讲理

grew moody and petulant

mán bù jiǎng lǐ de yàng zi

蛮不讲理的样子

not listen to reason

tā zài zhè jiàn shì qing shang mán bù jiǎng lǐ

他在这件事情上蛮不讲理。

He was being totally unreasonable about it.

jié hūn wǔ nián tā kāi shǐ biàn de yuè lái yuè sú bù kě nài yuè lái yuè mán bù jiǎng lǐ

结婚五年，她开始变得越来越俗不可耐，越来越蛮不讲理。

Since getting married for five years, she start change of more and more unbearably vulgar and impervious to reason.

tā nà yàng mán bù jiǎng lǐ de duì dài tā

他那样蛮不讲理地对待她。

It's shameful that he treats her that way.