a vast territory with a large population
Chinese idiom, Pinyin is Gu ǎ NGT ǔ zh ò NGM í n, which means vast land and many people. It's from Mencius with all his heart.
The origin of Idioms
"Mencius heart up" says: "the people, the gentleman desire, the joy does not exist
Idiom usage
It is unreasonable to say that there is no way to finance and economy in such a country with vast land and numerous people. Mao Zedong's "principles, methods and future against Japanese attack"
a vast territory with a large population
blow on an instrument or finger a stringed instrument - pǐn zhú tiáo sī
Success is king, failure is thief - chéng zé wéi wáng,bài zé wé
all sorts of feelings well up in one 's mind - gǎn kǎi wàn duān