ADV

for certain, full well, perfectly well, very well
I don't know for certain, but I think she lives in the next village. You know very well what I'm talking about!
honestly not
I honestly don't know what they mean to do

VERB + KNOW

let sb
Please let me know (= tell me) if there's anything I can do to help

PREP

about
He knows a lot about early music
of
I don't know of anyone who might be interested in the job

PHRASES

be widely known
It is widely known that CFCs can damage the ozone layer
know a lot, nothing, very little, etc.

ADV

exactly, precisely
I know exactly how you feel
instinctively
He knew instinctively where he would find her

ADV

well
I don't know John very well
hardly
But I hardly know the woman!
colloquially, commonly, popularly
affectionately, familiarly
collectively
parts of the body known collectively as the sensory system
variously
The drug is variously known as crack or freebase
locally
formerly
Xinjiang was formerly known as eastern Turkestan

VERB + KNOW

get to
She's very nice when you get to know her

PHRASES

be known to sb
This man is known to the police (= as a criminal)
be widely known 5 be known as have a particular name

PREP

to
He was known as Bonzo to his friends