as bitter as the sourest vinegar -- extremely bitter

as bitter as the sourest vinegar -- extremely bitter

Hate like vinegar, Chinese idiom, Pinyin is h è NR ú t ó UC ù, meaning very hateful, hateful. It comes from Wu Jingzi's scholars.

explain

Head vinegar: Ancient vinegar without water, very sour taste. The metaphor is very hateful and hateful.

source

The fifty second chapter of Wu Jingzi's unofficial history of the scholars in the Qing Dynasty: "Chen Xiazi was killed by Mao Ershu, and he didn't have any wine or meat to eat. He was very jealous."