pitch-dark(wū tiān hēi dì)

pitch-dark

It's dark. It refers to the darkness of society.

Idioms and allusions

[source] Deng Xiaoping's several problems that must be solved in the current iron and steel industry: "some people make the cause of the party black and white, and you still wait for him to realize it. Can you wait?"

Discrimination of words

[example] "several problems that must be solved in the current iron and steel industry": "some people make the party's cause so much that you still wait for him to realize it. Can you wait?"

Chinese PinYin : wū tiān hēi dì