Pinyin y and fābüküshüsh

Part of speech is a derogatory term.

Synonyms are getting out of control.

The basic explanation is that a thing is developing very fast, unstoppable and unstoppable.

Ill Sentence Jin Kemu is vigorous and vigorous in his old age, and the article is written out of control. Until more than a month before his death, he sent an article "Reading History backwards" to the publishing house.