一无所知 (yì wú suǒ zhī): Know nothing about / Be completely ignorant of — Meaning & Stroke Order

I am still completely ignorant of the profound theories of quantum physics.

Are you really completely in the dark about the upcoming company restructuring plan?

He knows nothing about computer technology, so he often needs help from others.

He was not entirely ignorant of the whole matter; he just chose to remain silent.

I know nothing about my neighbor's family dispute and am not in a position to comment.

Before starting this project, I knew nothing about the relevant field, but through diligent study, I have now acquired basic knowledge.

His investment actions ultimately led to serious consequences because he was completely ignorant of the local laws.