I read the book over and over again,but it was very difficult and I had no idea what I was

问题描述:

I read the book over and over again,but it was very difficult and I had no idea what I was
接上supposed to do.是什么意思、这是个什么句子

译文:我读这本书一遍又一遍,但它是非常困难的,我不知道我应该做什么
suppose
假设
conj.假使…结果会怎样
vt.假设;认为;让(虚拟语气);推想
vi.猜想;料想
supposed to do意思是:
应该做
被希望或要求