HSK 2
Tā běnkē xué de shì jìsuànjī.
He studied computer science as an undergraduate.
HSK 3
Zhège xuéxiào de běnkē zhuānyè hěnduō.
This school has many undergraduate programs.
HSK 4
Tā běnkē bìyè hòu dú le yánjiūshēng.
She went to graduate school after her bachelor's.