"he was completely ignorant of the circumstances"
"an unknowledgeable assistant"
"his rudeness was unwitting"
They were all working for me..unknowing that they did so.
出自： S. Richardson
Mankind wanders, unknowing his way.
He laid his hand on the chest, while still unknowing of all that was in it.
出自： E. A. Freeman
Imparting your vast knowledge upon my unknowing brain.