hard telling, not knowing
I don't know.
ADJ.
intelligent, rascal
The knowing rassacal tricked everyone with his clever scheme.
VERB + KNOWING
back, fancied
She fancied going back to university, knowing it would be a difficult decision.
KNOWING + NOUN
languages, nancy, team
Knowing languages well opened up many career opportunities for her throughout Europe.
PREP.
about, without
She made the decision without knowing all the facts.