The phrase "a dangerous challenge" is correct and usable in written English.
You can use it to describe a task or situation that poses significant risks or difficulties.
Example: "Climbing that mountain without proper gear is a dangerous challenge that could lead to serious injury."
Alternatives: "a risky endeavor" or "a perilous task."
"I don't think it was a dangerous challenge.
Felipe Melo conceded that spot-kick and was later shown red for a dangerous challenge on Lucas Biglia.
Bale will very likely remember the night for the two shots he blasted well over the crossbar and for a yellow card he earned after a dangerous challenge.
The only regret for Celtic was Nir Biton being sent off two minutes from the end, for a dangerous challenge on Serero.
That lead should have been extended but Humphreys missed with a penalty after Tom Johnson was penalised for a dangerous challenge.
Although the rise of Wilhelmine Germany represented a dangerous challenge to the balance of power in Europe, neither side wanted a full-scale confrontation.
To go into the woods is a metaphor for a dangerous, challenging quest where one has no idea of the outcome -- or if you will even survive the journey.
But whereas Halevi's dismissal of philosophy in the face of revelation seems to suggest that philosophy is not a challenge for revelation, Strauss argues that the careful reader will notice that Halevi's argument in fact suggests the opposite: that philosophy is not just a challenge for revelation but a supremely dangerous challenge.
Martínez added: "It was a very dangerous challenge and if you review the action, he was very fortunate to escape with no major injury".
Security forces have also raided al-Qaeda targets in the south and centre of the country, killing several commanders and arresting others, in their most sustained offensive yet against the jihadists.That campaign parried a third dangerous challenge.
The word prevaricate has appeared in four New York Times articles in the past year, including on Nov. 30 in "Hoping to Avoid Bombs and Win Afghan Minds," by Carlotta Gall: DEH-E KUCHAY, Afghanistan — For the American soldiers charged with bringing security to southern Afghanistan, heavily mined villages like this one are a most dangerous challenge.
