The most difficult question is the one not spoken.
61. -Vanj
The one that you have asked!
This is a question one must answer for oneself.
Difficult
The hardest questions in history are plentiful. One, however never seems to be resolved and is a question scholars world wide have talked about. That question is asked in many different ways, but it all boils down to "What was the cause of the fall of the ancient Roman Empire?" Certainly there are many other difficult questions, but this one is certainly one of the most difficult to answer.
To answer a question we need a what, who, when, where, why or how. Your question needs a when.
Questions are more than one and question is one its not that difficult
Answered this question.
The phrase means that the question is difficult to answer. Like this one.
It is not possible to answer this question because people find different things easy or difficult. What you find easy I might find difficult, and conversely.
This question is difficult to answer unless I know where you are in the world, but most US outlet malls will have one, or at least a store that stocks Nike products.
Only Depp himself could answer this question.