Sentence examples for difficulty has to be from inspiring English sources

Difficulty has to be acknowledged, of course, and in some cases is prohibitive – which is why the world left Syria alone.

The difficulty has to be felt first before it can be corrected.

Before playing, a difficulty has to be selected: easy, medium, hard or expert.

But the level of difficulty has to be high enough so you don't clear the game in the first sitting.

Two general factors influence people's level of concentration: exogenous factors such as time pressure and intellectual challenge (an increase in task difficulty has to be compensated for to maintain a desired level of performance) and endogenous factors such as motivation and trait capacity for attentional engagement (some can engage more fully in their task).

This effect was to be expected, because in order to regulate the CCER exam failure rate a considerable number of items of an easy and moderate difficulty had to be included.

Furthermore, to measure also the abilities of very high-performing students sufficiently, items with a very high degree of difficulty have to be integrated into the test on CCER.

However, if the answer was "yes", the frequency and severity of this difficulty had to be assessed.

Difficulties have to be faced, but we are prepared to push the boundaries.

Few had anticipated they would both be in the last four but the teams themselves could not be star-struck when pressing difficulties had to be addressed.

"The Making of Americans" has a reputation for being unreadable, which it isn't, though its difficulties have to be experienced to be believed, and its greatness has to be believed in for reading to continue.