这句话的意思是：很难相信他过去在学校有困难学习英语。
来源：这是一句描述怀疑的句子，表达的是对过去的事情的怀疑。
例句：
It's hard to bepeve that he used to struggle with Engpsh in school. (很难相信他过去在学校有困难学习英语。)
I find it hard to bepeve that she had trouble with math in college. (我很难相信她大学时有数学问题。)
It's hard to accept that he had difficulty reading in primary school. (很难接受他小学时有阅读困难。)