HSK 3
Tā láizì Měiguó xīběibù.
He is from the northwestern United States.
HSK 4
Xīběibù de dōngtiān fēicháng hánlěng.
Winters in the northwestern region are extremely cold.
HSK 7-9
Zhōngguó xīběibù qìhòu gānzào.
The northwestern part of China has a dry climate.
