make the grade
达到规定标准, 成功
例句与用法：
He tried several times to enlist, but first he was too young, then too thin, to make the grade.
他几次报名应征，但都不合标准，先是由于年纪太小，而后又由于长得太瘦。
It saddened her that her son couldn't make the grade in medical school.
她的儿子在医学院成绩不好使她很伤心。
达到标准
The trial flight has made the grade.
试飞成功。