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- 1. - And is used between repeated words to show continuation or emphasis. * /When the children saw the beautiful Christmas tree they looked and looked./ * /Old Mr, Bryan has known Grandfather for years and years, since they were boys./ * /Billy dived to the bottom of the lake again and again, looking for the lost watch./ * /Everyone wished the speaker would stop, but he talked on and on./ Compare: THROUGH AND THROUGH. 2. - When "and" is used between words with opposite meaning, it often emphasizes how much you mean. * /Mr. Jones worked early and late to earn enough to live./ * /The parents hunted high and low for the lost child./ Compare: DAY AND NIGHT, FROM -- TO, INSIDE AND OUT.
Dictionary of American idioms. 2013.