The phrase "a difficult solution" is correct and usable in written English.
It can be used when referring to a solution that is challenging to implement or understand.
Example: "After hours of brainstorming, we finally arrived at a difficult solution that required careful consideration."
Alternatives: "a challenging solution" or "a complex solution."
His fudged solution – "to make the best of a difficult solution" – was to add a flat-rate housing allowance of 10 shillings (50p) to contributory unemployment benefit.
While the practicalities of implementing such a levy may make it a difficult solution to put into practice, campaigners fight on, bolstered by the new German government's commitment to abolish tax exemption for aviation fuel and UK government support for a globally agreed tax.
But, Mr Cowen says, this is a difficult solution to adopt in practice, not least because rampant bank failures will cause substantial pain among taxpayers at large.It's a compelling story, but Mr Cowen appears to leave one important cog in the inequality-crisis mechanism underexplored.
This is, as he confesses, a difficult solution of the case to maintain, for one might ask where the words get their signification if not from the conventions of the language?
But nobody seems to be talking about an obvious (if difficult) solution to at least part of the problem Pakistan finds itself in currently -- solving the Kashmir problem once and for all.
There is a much simpler, albeit much more difficult solution -- get senators to do their job.
Unless the US is willing to embrace difficult solutions to a complex problem, there will be no true immigration reform.
Needless to say, a year later it was an altered world, additional problems with difficult solutions.
We have voted out of office the courageous politician who offered truthful and difficult solutions.
We also present a difficult case study for solution multiplicity in catalytic pellets.
Such systems combine continuous operation with strongly coupled features of heat transfer, hydrodynamics, mixing, mass transfer and reaction that makes the choice of the optimal solution a difficult one.
