prevented him or her from
What kept him from working?
Su pierna mala le impidió ganar la carrera.
His bad leg prevented him from winning the race.
¿Qué le impidió venir más temprano?
What prevented him from coming earlier?
La gripe le impidió jugar al golf.
The flu prevented him from playing golf.
What stopped him from coming?
Su enfermedad le impidió continuar sus estudios.
His illness prevented him from continuing his studies.