1She worked arduously for months to finish her Ph.D. thesis on time.
2Is it true that he trained arduously for a year to prepare for the marathon?
3The team worked arduously to meet the tight deadline and launch the product successfully.
4If you study arduously, you will be well-prepared for the exam and can expect a good grade.
5The company's success was the result of years of arduous work by the entire staff.