The phrase "again the difficulty of" is correct and usable in written English.
It can be used when discussing a recurring challenge or issue that has been encountered previously.
Example: "In this project, we face again the difficulty of coordinating schedules among team members."
Alternatives: "once more the challenge of" or "yet again the issue of".
The contradictory statements and sudden round of finger-pointing seemed to underscore once again the difficulty of obtaining reliable information — and making educated guesses — about one of the world's most closed societies.
Burma has been in the news this year, and once again the difficulty of the project's task is being highlighted.
Of course, with the line between S60 and Symbian so blurred, as far as the user is concerned the user experience is a Symbian attribute and again the difficulty of development can take some of the blame.
Once again, the difficulty of quantum theory is that there is an apparent contradiction between the fact that the quantity q of the system assumes an observed value in the measurement, while the composite S+O system still has to be considered in a superposition state, if we want to properly predict the outcome of measurements on the S+O system.
During the separate interviews, executives mentioned time and again the difficulty of making decisions during a time in pop in which fan loyalty seems as outdated as grunge guitars.
WASHINGTON, April 11 (Reuters) - Republicans, Democrats and even the White House distanced themselves Thursday from President Barack Obama's proposal to trim Social Security and other safety-net benefits, illustrating yet again the difficulty of reaching a bargain to reduce spending and tame the deficit.
The arguments over Mr. de Maiziere have illustrated once again the difficulties of the eastern and western parts of the country in understanding each other.
On this score, things in November got worse – going from 5.12 unemployed for each job vacancy to 5.17: The increase was not universal across the states, driven mostly by Western Australia and Queensland – reflecting again the difficulties of the end of the investment phase of the mining boom.
Once again, the difficulties of supplying the attacking force were formidable.
However, both findings are limited by the fact that only one facility in the site had to meet the criterion, highlighting again the difficulties of describing health systems when there are multiple providers.
