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
The slightest error is a thousand miles away - shī zhī háo lí,miù yǐ qiān lǐ
make one last stand before the city wall - bèi chéng jiè yī
prevent trouble before it happens - fáng huàn wèi rán
the things are still there , but men are no more the same ones - wù shì rén fēi
That is to say, to treat people in their own way - jí yǐ qírén zhīdào,huán zhì qírén zhīshēn