1The arduous climb up Mount Everest tested the team's physical and mental endurance to the limit.
2Is it not hypocritical to praise the arduous efforts of athletes while ignoring the equally demanding work of caregivers and healthcare professionals?
3The company's arduous recruitment process involved multiple rounds of interviews and psychological assessments.
4After several arduous years of study, she finally completed her Ph.D. in physics and was awarded a prestigious research grant.
5The arduous task of rebuilding the city's infrastructure after the natural disaster required international cooperation and significant investment.