so how could i meaning in Chinese

我是如何能够
我又怎能.
我怎能

I even saw her yesterday , so how could i not go
我昨天还见到她我为什么不能这么做
" you are my people with the same oppressors so how could i hate you .
你和我同样是被压迫的人，我怎么可能去恨你。
At that point an indescribable feeling of loss came over me . people in china usually refer to university professors as guiding professors , but i was already in my forties so how could i go to a university
我的心中涌起莫名的失落感，因为一般大学的老师都称导师，我已经是四十多岁的人，怎么还能上大学？