good good study ,day day up!什么意思

问题描述:

good good study ,day day up!什么意思

好好学习,天天向上.这句话本是俚语,有明显的语法错误,但约定俗成,该句话已被收录到新版《牛津大辞典》内.
正解应该是Study hard and make progress every day.