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
Chinese PinYin : mǐ yǒu jié yí
all have died off
gain a superficial understanding through cursory observation. zǒu mǎ kàn huā
time brings great changes to the world. cāng hǎi sāng tián