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Use "know-all" in a sentence
"✒I wasn't really aware of Andy Gray until this week; there was a sort of hectoring know-all in the background of football games on Sky, but if I was actually interested in the result I'd turn the sound off and listen to Radio 5 Live, which is dry, droll and doesn't treat every foul as if it were the invasion of Poland."
"All the musicians looked up to Frank as being the Leonard Bernstein of rock – the know-all."
"Ask yourself who is the worst person you've had to watch sport with, and they will quite naturally align into one of two types: the know-nothing and the know-all."