英语翻译You can't just dischargea patient without permission!剧中讲

英语翻译
You can't just discharge
a patient without permission!
剧中讲了一个女人偷偷把一个病人带出了医院,然后一个护士就说了这句话:你不能够在没有允许的情况下把病人带走,该句中"just"起到什么作用呢!
I just must show it to
you.
剧中讲了一个人新买了一件衣服,然后她说:我一定要带你去看看,该句中"just"起到什么作用呢!
She hung his dry cleaning
exactly as he had requested.
--------exactly是什么意思呢
I think she'll be
over here in ten minutes.
剧中意思是:我认为她会在10分钟后到达这儿!
over --什么是意思,能不能去掉!