1. Despite his hard work, he felt unrewarded for all his efforts.
2. The volunteer's selfless contribution went unrewarded.
3. The athlete's dedication and commitment to training went unrewarded with a loss in the competition.
4. The student's outstanding academic performance often went unrewarded by his teachers.
5. The employee's extra hours of work went unrewarded by his boss.
6. The artist's talent often went unrewarded in a society that did not appreciate his work.
7. The teacher's efforts to help struggling students often went unrewarded.
8. The team's hard work and perseverance went unrewarded with a defeat in the championship game.
9. The writer's novel went unrewarded with rejection letters from publishers.
10. The musician's passion for music often went unrewarded with lackluster performances.