arduous AR-joo-us adjective WS #4

requiring significant effort and endurance; difficult and tiring; demanding great labor or exertion

1. Writing a novel is an arduous task that requires dedication and perseverance.
2. He went through a long and arduous training program.
3. The arduous process of rebuilding the city took many years.
4. She found the arduous work of translation both challenging and rewarding.
5. The climb up the mountain was an arduous journey.