dull as ditch water
Boring, Chinese words. Pinyin is k ū Z à ow ú w è I. It means monotonous, dull and uninteresting. From the opposition stereotype.
Idiom explanation
Boring: monotonous.
The origin of Idioms
"Therefore, the masses do not welcome their boring propaganda, and we do not need such poor and useless propagandists."
Idiom usage
It can be used in writing.
dull as ditch water
make amends for one 's crimes by good deeds - jiāng gōng shú zuì
The heart cannot be used for two purposes - xīn bù liǎng yòng