all have died off
Chinese idiom, Pinyin is m ǐ y ǒ Uji é y í, which means no surplus. It comes from Shi Da Ya Yun Han.
The origin of Idioms
"Poetry · Daya · Yunhan" said: "the Li people of Zhou Dynasty are all alive."
Idiom usage
As for ~, as the mineralogists have seen, the ancient animals and birds have been lost. (yuan Qiang by Yan Fu)
Analysis of Idioms
It's all gone
all have died off
despise the poor and curry favour with the rich - xián pín ài fù
great literature and classical works - gāo wén dà cè
it is difficult to start charity as it can not be stopped halfway - shàn mén nán kāi
there is nothing comparable to this - wú kě bǐ lún