Where the difficulty arose was in getting into her room.
The difficulty arises for those who are in private practice.
If the difficulties arise at work, perhaps you could study in order to understand the job better.
Difficulties arise for the individual and those around him/ her.
The difficulty arises because there is more than one answer.
I will therefore focus on the areas where the main difficulties arise.
"Yes, I have heard of cases like that where these difficulties do arise."
If we accept this fact, then a potential difficulty arises.
But at the moment he was setting off again, other and fresh difficulties arose.
When natural materials are used by man in a dry environment difficulties arise.