know verb
1 have information about sth
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.
2 realize
ADV. exactly, precisely I know exactly how you feel. | instinctively He knew instinctively where he would find her.
3 be familiar with sb/sth
ADV. well I don't know John very well. | hardly But I hardly know the woman!
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
ADV. 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.
PREP. to He was known as Bonzo to his friends.
You can also check other dicts: know (English, 中文解释 ), wordnet sense, Collins Definition