无人知晓

no one knows

→ 无人
phrase Rare #28,710
no one knows A somewhat formal or literary way to say that nobody knows.
CH: 这件事无人知晓。
EN: No one knows about this.

而且无人知晓

And no one knows.

— 小萝莉的猴神大叔 (2015)

金属几乎无人知晓。

Metal is almost completely unknown.

无人知晓

No one knows.

— 无人知晓 (2004)

无人知晓那个实验室里究竟发生了什么

No one knows what really happened in that laboratory.

— 蝙蝠 (2009)