上shàng海hǎi是shì一yí个gè很hěn大dà的de城chéng市shì。

Shanghai is a very big city.

这zhè座zuò城chéng市shì很hěn现xiàn代dài。

This city is very modern.

我wǒ喜xǐ欢huan小xiǎo城chéng市shì的de生shēng活huó。

I like life in small cities.

这zhè座zuò城chéng市shì的de夜yè里lǐ很hěn热rè闹nào。

This city is very lively at night.

他tā离lí开kāi家jiā乡xiāng去qù大dà城chéng市shì工gōng作zuò。

He left his hometown to work in the big city.