"a difficult level" is grammatically correct and can be used in written English.
It is typically used when discussing the level of difficulty in something, such as a task or a game. Here are two examples: - "The game has different levels, ranging from easy to a difficult level that will challenge even the most experienced players." - "The project was completed on time, despite the difficult level of complexity it presented."
Strut into a Barnes & Noble store with a Nook Color or Nook Tablet, and when you connect to the Wi-Fi network, you'll unlock a free goodie inside the game: the Mighty Eagle, a bonus character that helps you pass a difficult level, which normally costs $1.
Clear a difficult level – unlock a more exclusive item.
As for trading virtual attributes, character possessions in the multiplayer game Everquest (such as a sword that an advanced player had won in a difficult level of the game) already trade on Ebay.
However, there has been analysis considering that it has reached a difficult level to be outweighed when considering the current agronomic management procedures [51], especially because a difficult limit to be surpassed in the partition of assimilated carbon between sucrose accumulation and growth seems to occur [52].
Going below 30% fat in the diet is probably not harmful, but it's a difficult level to maintain and may compromise other important nutrients, Heber said.
Under the new system, everything has a point value and a difficult level and luckily for Evan, Evgeni didn't perform his jumps to his normal level: most of his jumps were off axis and that made for weak landings, which I assume lost him a few points, allowing Evan's other strengths to put him over the top.
Teachers may stage a particularly difficult level during a lecture, comparing notes on possible solutions.
If patients do not record having increased pain for two weeks and have not requested an increase in exercise level in that interval, they are sent an email suggesting they consider trying a more difficult level.
Politically the government will get into a very difficult level of popular support".
The game was adaptive to children's performance; every 3 consecutive correct answers promoted the following trial to a more difficult level and vice versa.
He told us that his motto for the course was 'high expectations, high level of support', meaning that assignments would be made at a fairly difficult level, but students would be given ample opportunity to interact with GSIs and each other and get as much help as they needed to learn the material.
