"忽略掉一个不诚实的求学者，对L大学这样优秀的学校来说，大抵是没有坏处的。" 求翻译

To the outstanding university, overlooking an dishonest student has little (insignificant) adverse effect.

it would not be a bad thing to neglect such a dishonest student for a distinguished institute as L university.

For a distinguished university such as L university, to neglect a learner without integrity may not have any disadvantages.