The phrase "a thorny task with" is correct and usable in written English.
It can be used to describe a difficult or challenging task that involves a particular aspect or element.
Example: "Completing the project on time proved to be a thorny task with numerous unexpected obstacles."
Alternatives: "a challenging task involving" or "a difficult task related to".
Many Chicago teens will quickly discover that landing a job remains a thorny task.
Getting broader congressional buy-in remains politically difficult, a thorny task of melding a rare bipartisan coalition from a divided Congress.
One of the main problems with integration studies is how to correct the phenotypic integration measures for size, which has been considered a "thorny task" (Armbruster et al., 2014).
That is a politically thorny task that could result in some lawmakers' losing power and others gaining it.
A stream of Americans from Washington institutions have come through Delhi in recent weeks and many of them have been advising the president to brave the thorny task of talking with the Indians for the sake of the rose -- better relations with a country that is the second most populous in the world, with an economy growing at a rate that has averaged more than 6percentt since 1991.
— Rare juror testimony on whether racial bias tainted a high-profile murder conviction ended here on Friday, leaving the judge alone with the thorny task of deciding whether a new trial is warranted.
Large-scale global optimization (LSGO) is a very important but thorny task in optimization domain, which widely exists in management and engineering problems.
When DPP leader Chen Shui-bian took over from Lee, in 2000, Tsai was given the thorny task of leading the Mainland Affairs Council, which handles relations with China.
Madson was assigned another thorny task in Game 4 on Saturday night, when he entered with two runners on base and one out in the seventh inning.
