utterly unspeakable
The Chinese idiom, Pinyin is B ù K ā NY á nzhou à ng, which means it can't be described by language. It's from 20 years of witnessing.
The origin of Idioms
Chapter 22 of Wu Jianren's twenty years of witnessing the strange situation in the Qing Dynasty: "however, when I lived in Nanjing, I saw a lot of actions in the officialdom, and there was something unspeakable."
Idiom usage
The Tangshan earthquake is really unspeakable.
utterly unspeakable
read several lines at one glance - yī mù shù háng
debauch people and turn them into gangsters - huì yín huì dào
her voice was pleasant like those of nightingales and swallows - yīng shēng yàn yǔ
express the emotion of missing to remote relatives - yì jì méi huā