be insatiably avaricious
Insatiable, Chinese idiom, Pinyin is t ā NW ě IW ú y à n, which means when greed is never satisfied. It comes from Xia Wenrong, the emperor of the Tang Dynasty.
The origin of Idioms
Zhang Zhuo of Tang Dynasty wrote Xia Wenrong, the emperor of the court and the emperor of the country: "Yang Tingyu, the cousin of Zetian, was also ordered by Jiaxing of Suzhou. He was insatiable."
Idiom usage
In "Taiping Guangji. Vol. 329. Xia Wenrong" it is said that "Yang Tingyu, the cousin of Zetian, is also greedy. 」
be insatiably avaricious
price oneself out of the market - màn tiān kāi jià
get to the bottom of the matter - qióng yuán jìng wěi