know about

know about (someone or something)

1. To be knowledgeable about, familiar with, or skilled at something. Sarah knows about all that tech stuff, you should ask her to help you set the computer up. I knew a bit about plumbing, so I was able to fix the problem myself.
2. To be aware of someone or something. Martha, I know about the man you've been seeing. I want a divorce. The boss already knows about the issue and is sending someone to fix it now.
See also: know
Farlex Dictionary of Idioms.

know about someone or something

to have information or expertise about someone or something. I know about John and what he does. I know about cars, but I can't fix this one!
See also: know
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • know about (someone or something)
  • know one's stuff
  • know stuff
  • know your stuff
  • know (one's) stuff
  • know a thing or two
  • know (one's) beans
  • have a good command of
  • have a good command of (something)
  • familiar with
References in classic literature
Raffles, and I did not know about you, and there was something I longed to tell you about him, something I could not tell you in a minute in the street, or indeed by word of mouth at all.
A woman's virtue, if you wish to know about that, may also be easily described: her duty is to order her house, and keep what is indoors, and obey her husband.
All you know about my attitude towards Lord Dawlish is what I told you on the first morning of your visit.
Clearly, our adversaries know about this asymmetric advantage and they would be foolish not to be thinking of methods to deny us that advantage.
When Minnie gets behind, she cuts corners on disinfection and sterilization procedures, because that is something no one but her will know about. And, "Dr.
* Becoming the person people seek when they want to know about the audience (e.g., employees, shareholders, etc.).
Criticizing her 1993 speech, Dobson said, "Based on what we now know about Miss Miers, it appears that we would not have been able to support her candidacy."
Our mill customers, the suppliers, and unfortunately, a lot of us here do know about tragedies that have happened in the industry.
Other questions to consider: How much do you need to know about market and what do you already know about it?
Yet the more you do know about that history the easier it is to understand why Jaiani left her native country at the age of 16, and how she had the gumption to succeed in fire United States.
What is one thing that the kids don't know about Lenny?
How much of our reading, our courses, and our discussion groups is a way to know about our faith, a way to know about God, a way to read the menu without eating the meal?
To paraphrase an old saying, ask not what you need to know about technology, ask how technology can teach you what you need to know.
Because until then people wanted to know about the Village.
In the beginning, when we had another option, I decided on Max because I thought, "We don't understand him; let's go there." I must also say that I could never make intelligent career moves because I don't know about the galleries.