“不合格”怎么读

“不合格”的英语可以翻译为：unqualified，below grade，below proof，off-grade，disqualification ...

学校不会接受任何学生质量不合格的作业。A school would not accept low-quality work from any student.鲍勃体检不合格。Bob failed his physical.他的表演不合格。His performance was not up to par....