English definition of “know”
/noʊ/ (past tense knew, past participle known)
A2 to be able to do something: Do you know how to ski?
let someone know A2 to tell someone something: Let me know if you’re going to the party.
I know › used when you agree with something someone has just said: “It’s a beautiful day, isn’t it?” “I know – let’s hope it lasts.”
be known as something B1 to be called: California is also known as the Sunshine State.
get to know someone/something B1 to gradually learn more about someone or something: I got to know Frank at work.
as far as I know › used to say that you think something is true, but cannot be sure: As far as I know, he isn’t married.