HSK 2
Zhōngguó běibù de dōngtiān hěn lěng.
Winters in northern China are very cold.
HSK 3
Tā zhù zài chéngshì de běibù.
He lives in the northern part of the city.
HSK 4
Zhège chéngshì wèiyú Zhōngguó de běibù.
This city is located in the north of China.