The phrase 'arduous course' is correct and usable in written English.
It is often used to describe a challenging task or situation that requires a lot of effort and hard work. For example, "The job of raising children is an arduous course, but very rewarding in the end."
He meanwhile undertook an arduous course of self-instruction through the study of musical works—notably those of Carl Philipp Emanuel Bach and of leading manuals of musical theory.
The following account describes the most important mileposts in the arduous course, from the time nearly three years ago when the historic legislation was but a gleam in the President's eye until he triumphantly signed it into law today.
Altering the Constitution involves an arduous course requiring the consent of 2/3 of Congress and 3/4th of the States.
This is a race of champions, which is run over a notoriously arduous course, which stretches over 22 fences and culminates in a challenging uphill sprint finish.
Golf's ranks were expected to swell when baby-boomers retired, but many of them have found the arduous courses too much like hard work.When a star comes along, the game can suddenly enjoy an unexpected boost.
Still reeling from the diagnosis, we readily agreed to the arduous treatment course the specialist suggested: six weeks of chemotherapy and radiation conducted concurrently.
This sort of movement-building is arduous, of course, but Roemer can look to the example of Ron Paul, whose own failed runs for the White House have nevertheless led to an impressive grassroots movement, which is getting footsoldiers trained in the peculiarities of the primary process and helping like-minded candidates get nominated and elected.
The group calls for shorter and less arduous treatment courses to help patients complete their treatment and reduce further cases of infection.
But ultimately, team members' tireless efforts paid off in completing the arduous 26.2-mile course.
For instance, a study of West Point cadets found that those who rated themselves high in grit were most likely to complete an arduous summer training course.
It was 15 holes of McIlroy fighting back against the arduous Atlanta Athletic Club golf course with one-armed swings and therapeutic interventions for his bum limb.
