not know what someone is talking about — informal phrase used for saying that you do not understand what someone is referring to, even though you may really understand ‘You went into our room, didn’t you?’ ‘I don’t know what you’re talking about.’ Thesaurus: ways of saying that you do… … Useful english dictionary
know someone by sight — know (someone/something) by sight to recognize someone or something. I ve never spoken to him, but I know him by sight. Usage notes: usually used to suggest that you know what someone looks like but not what type of character someone has … New idioms dictionary
know something by sight — know (someone/something) by sight to recognize someone or something. I ve never spoken to him, but I know him by sight. Usage notes: usually used to suggest that you know what someone looks like but not what type of character someone has … New idioms dictionary
know by sight — know (someone/something) by sight to recognize someone or something. I ve never spoken to him, but I know him by sight. Usage notes: usually used to suggest that you know what someone looks like but not what type of character someone has … New idioms dictionary
know of something — know of (someone/something) to have information about someone or something. Do you know of a way to remove this stain? We ve never met, but I certainly know of him. Usage notes: also used in the spoken phrase not that I know of I do not know: “Is … New idioms dictionary
know of — (someone/something) to have information about someone or something. Do you know of a way to remove this stain? We ve never met, but I certainly know of him. Usage notes: also used in the spoken phrase not that I know of I do not know: “Is he home … New idioms dictionary
not know what someone is talking about — informal used for saying that you do not understand what someone is referring to, even though you may really understand You went into our room, didn t you? I don t know what you re talking about … English dictionary
know — know1 [ nou ] (past tense knew [ nu ] ; past participle known [ noun ] ) verb never progressive *** ▸ 1 learn/understand ▸ 2 be familiar with ▸ 3 use particular name for ▸ 4 remember someone for something ▸ 5 experience ▸ 6 have learned something … Usage of the words and phrases in modern English
know — 1 verb past tense knew, past participle known INFORMATION 1 (intransitive, transitive not in progressive) to have information about something: Who knows the answer? | Do you happen to know the time? | When are they arriving? Maybe Mrs. Mott knows … Longman dictionary of contemporary English
know — [[t]no͟ʊ[/t]] ♦ knows, knowing, knew, known 1) VERB: no cont If you know a fact, a piece of information, or an answer, you have it correctly in your mind. [V n] I don t know the name of the place... [V … English dictionary