I have some difficulty in ________________ my teachers. (understand)

understanding

I have some difficulty ______ my English.

with

固定短语：　have some difficulty (in) doing sth. have some difficulty with sth.学.科.网

1．他找到失踪的狗有困难． ２．我学物理有困难．

He has some difficult in finding the missing/lost dog.

I have some difficult with my physics. I have some difficult in learning my physics.