The phrase "an arduously" is not correct in written English.
The word "arduous" is an adjective and should not be preceded by "an," which is used before words that begin with a vowel sound.
Example: "The task was arduous and required a lot of effort to complete."
Alternatives: "a challenging" or "a strenuous".
Germany had originally agreed to buy 60 A400Ms in 2003, but that order was reduced in 2009 as part of an arduously negotiated bailout in which seven NATO governments agreed to a hefty price increase to provide an additional €1.5 billion, or $2.1 billion, in financing to EADS, whose full name is European Aeronautic Defense & Space.
(Recharging the car fully between drives using the standard 110-volt portable charger is an arduously slow process).
What I feared would be an arduously long week turned out to be quite enjoyable, and the devices we came to rely on so much for entertainment took a back seat, with no complaints.
It is not where a country arduously seeking to attract foreign investment wants to be.One way Jokowi has tried to fight corruption is by removing opportunities.
But readers who expect an author's work to be totally free of literary influences are, I believe, hopelessly naïve about the writing process, imagining that an author creates a book by arduously filling up blank pages with words of his own.
He conducts his last case as a doctor, his final walk from surgery, witnessing the dissolution of an identity so arduously attained.
Burning a batch of music files to a CD is arduously slow compared to the time it takes to download them on a broadband connection (legally, of course).
Yet Rita fashions, slowly, painfully, arduously, a life of her own.
Nerdy, yes -- but how responsible is it to encourage a child to study arduously for decades to compete for a slot in an inadequate job market?
On Hildegard Bechtler's atmospherically lit sets, we see a sponge-cake being made, a floor being swept, a tin bath being arduously filled.
