BONE UP

{v.}, {informal} To fill with information; try to learn a lot about something in a short time; study quickly. * /Carl was boning up for an examination./ * /Jim had to make a class report the next day on juvenile delinquency, and he was in the library boning up on how the courts handle it./

{v.}, {informal} To fill with information; try to learn a lot about something in a short time; study quickly. * /Carl was boning up for an examination./ * /Jim had to make a class report the next day on juvenile delinquency, and he was in the library boning up on how the courts handle it./

зубрить, долбить (предмет)