1. 我发现学英语很难
I find I have much difficulty / trouble in learning English .
I find it is difficult / hard to study English . ( it 作形主)
I find it difficult / hard to study English . ( it 作形宾)
I find English is difficult to study . ( sb / sth be +adj +to do )
2.众所周知,许多学生不喜欢 英语
许多: a flood of ; a stream of , a large quantity of ; a collection of
As we all know , a good many students dislike English .
As is well-known to us all , plenty of students dislike English .