The phrase "a gauntlet that is" is correct and usable in written English.
It can be used when referring to a challenge or difficult situation that someone must face or endure.
Example: "He threw down a gauntlet that is impossible to ignore, challenging everyone to step up their game."
Alternatives: "a challenge that is" or "a trial that is".
What would be more unbelievable than that same kid, all grown up, using a gauntlet that's powerful enough to destroy half the universe?
"Indeed, holding the confirmation process amid the clamor and commotion of the current presidential election campaign would thrust Judge Garland into a punishing political gauntlet that is below the dignity of a Supreme Court nominee," Hatch wrote.
Of course, not many of us have run the gauntlet that is The Bachelor in search of love, so perhaps all the dates are like nothing we ever do.
Baumbach's recognition of this extraordinary performer's singular gifts comes right at the start of the film, a throwing-down of a directorial gauntlet that's an act of wisdom born of the audacity of excess — a long close-up, a minute or more, I'd guess, of Gerwig driving a car through L.A. traffic.
Even in the social gauntlet that was middle school, I knew my body was only one small aspect of how others judged me.
In fact, he worked on "Thor," crafting more than 50 swords and the "Infinity Gauntlet" ("That's a big deal among the fan base," he said).
Gaokao, the Chinese-university entrance exam, is a gauntlet that knows almost no equivalent in the West (grades, recommendations, and extracurricular activities have little bearing on the admissions process).
"Our mayor and Council are throwing down the gauntlet to claim a title that is rightfully theirs," said Mr. Glassman, a former city councilman in Tucson who ran as a Democrat in 2010 against Arizona's long-serving senator, John McCain.
Together, the song and the sermon, heard when no image is seen, are a gauntlet that Lee throws down to himself: What can popular art be in a time of crisis?
It is a poor country, but here we have a government that is throwing down the gauntlet to the rich, highly polluting countries".
