Illustrations ,Background information,
Digressions
background information
They were not open about their feelings and thoughts.
William Hogarth's painting might be difficult for modern audiences to understand because the paintings attacked contemporary taste which modern audiences hold today.
You need to rephrase your question because it is difficult to understand what you mean.
Please rephrase your question because it is difficult to understand what you want to know.
background information
cantankerous means difficult to get on with, disagreeable or argumentative
Argumentative, difficult, problematic, disagreeable.
In "Walk Two Moons," cantankerous is used to describe a character as bad-tempered, argumentative, and uncooperative. It conveys the idea that the character is grumpy and difficult to deal with.
Religion
Yes. Non sequiturs are difficult to use effectively in academic arguments.
Do you agree that this book is too difficult to understand ? Do you agree that this book has been too difficult to understand? The problem is the one to whom you are asking did not read the book yet, so he can't agree anyway. But, if you ask : Do you believe that this book has been too difficult to understand ? The answer could be, Yes, I do. or No, I don't.
A relationship which is difficult to understand.
difficult to understand
it is not difficult for me but if you find it difficult, try to understand the concept of the topic you are learning in maths. try reading the examples again and again to understand how does the equation work and how to get the solution.
It is difficult to understand what you mean.
difficult to understand; enigmatic