C20 I don't look at anything

"I need to pee." As if afraid that I didn't hear it clearly, Liu Minmin repeated her words.

"Ah, oh, then I'll call the nurse for you. Wait a moment." I pressed the call button next to the bed and waited for a long time, but still no sister nurse came.

"I need to pee, I need to pee on the bed." Liu Minmin shook her hoisted foot with all her might, and then shouted at me angrily