谁也不是

no one is

→ 谁
phrase Rare #23,866
no one is Used with 不是 to mean that nobody is a particular person or has a particular identity; it can also stand alone as “nobody.”
CH: 他问谁是负责人,我说谁也不是。
EN: He asked who was in charge, and I said no one was.

谁也不是?

Nobody?}

— 海洋之歌 (2014)

谁也不是

No one.

— 海洋之歌 (2014)

谁也不是好了

No one, okay?

— 大逃杀 (2000)

谁也不是

No one.

— 中央车站 (1998)

谁也不是妈妈

No one is Mom.

— 幸福的拉扎罗 (2018)