C214 Why don't you understand?

Why don't you understand?

Pei Qingheng pursed his lips, a layer of dense coldness appearing on his face.

Lin Sitong rubbed her forehead helplessly, and looked at Pei Qingheng with furrowed brows: "Pei Qingheng, he's only the patient's relative to me! You didn't say anything, didn't explain anything