HSK 2
Lǎoshī duì xuéshēng de yāoqiú hěn yángé.
The teacher's requirements for students are very strict.
HSK 3
Zhèjiā gōngsī de guǎnlǐ hěn yángé.
This company's management is very strict.
HSK 5
Qǐng yángé zūnshǒu guīdìng.
Please strictly follow the rules.
