___________________Some language experts say the expression came from a name given to noisy supporters of Andrew Jackson…America's seventh president. They cheered hurrah so loudly for Andy Jackson during his presidential campaign that they became known as the hurrah boys. _______________________一些语言学家称该措辞源于对美国第七位总统安德鲁?杰克逊狂热的支持者的称号.他们在安德鲁?杰克逊总统竞选期间大声欢呼而称为"欢呼者".
