* not to know a B from a battledore * not to know a B from a bull's foot * not to know a B from a broomstick * not to know a B from a buffalo * not to know B from a battledore * not to know B from a bull's foot * not to know B from a broomstick * not to know B from a buffalo * not to know beans * not to know chalk from cheese быть круглым невеждой; не разбираться в элементарных вещах; не знать ни аза; разбираться в чем-л., как свинья в апельсинах
KNOW AS MUCH ABOUT SMTH. AS A PIG ABOUT PINEAPPLES
Англо-русский перевод KNOW AS MUCH ABOUT SMTH. AS A PIG ABOUT PINEAPPLES
English-Russian dictionary of English idioms. Англо-Русский словарь английских идиом. 2012