I've never spoken to him, but I know him by sight.
New idioms dictionary. 2014.
know someone by sight — recognize someone without knowing their name or being well acquainted with them. → know … English new terms dictionary
know someone by sight — recognize someone by their appearance without knowing their name or being so well acquainted as to talk to them … Useful english 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
sight — sight1 [ saıt ] noun *** 1. ) uncount the ability to see using your eyes: EYESIGHT, VISION: I m having laser treatment to improve my sight. Wolf spiders hunt mainly by sight. => SECOND SIGHT a ) the act of seeing something: sight of: I can t… … Usage of the words and phrases in modern English
sight — I UK [saɪt] / US noun Word forms sight : singular sight plural sights *** 1) [uncountable] the ability to see using your eyes Wolf spiders hunt mainly by sight. I m having laser treatment to improve my sight. He has lost 75 per cent of his sight… … English dictionary
sight — [[t]sa͟ɪt[/t]] ♦♦ sights, sighting, sighted 1) N UNCOUNT: oft poss N Someone s sight is their ability to see. My sight is failing, and I can t see to read any more... I use the sense of sound much more than the sense of sight. Syn … English dictionary
know — verb (past knew; past participle known) 1》 be aware of through observation, inquiry, or information. ↘have knowledge or information concerning. ↘be absolutely sure of something. 2》 be familiar or friendly with. ↘have a good command of … English new terms 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 — 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
sight — 1 /saIt/ noun 1 ABILITY TO SEE (U) the physical ability to see: Anne s sight is very good for someone of her age. | He has no sight in his right eye, but his left eye is fine. | lose your sight (=become blind): She had lost her sight in a riding… … Longman dictionary of contemporary English
