无从知道。
Wúcóng zhīdào.
English
There is no way to know.
having no way to; with no means of
not to have access; beyond one's authority or capability; sth one has no way of doing
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
无从知道。
Wúcóng zhīdào.
There is no way to know.
他无从回答。
Tā wúcóng huídá.
He had no way to answer.
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.