According to the historical phonetic system, the pronunciation should be "shuéi" and "shuí" and "shuí" written on bamboo slips, which are more common in solemn occasions and emotional poetry reading; "shéi" is phonetics, which is more vivid and common in film and television programs and daily life.

Which person or people?

Mochow has no confidant in the road ahead, and everyone in the world doesn't know you. -Tang Gao Shi "Tang Dongda"