explain
Like eating wax, it has no taste at all. Describe a language or article as dull as ditch water.
source
Shurangama Sutra Volume 8: "When it is horizontal, it tastes like chewing wax."
example
But when the world saw fame, they gave up their lives to beg him and got it. ◎ The Scholars by Qing Wu Jingzi.
synonym
insipidity