explained to him, her, or you (formal)
¿Qué dijo Casely cuando le explicó las nuevas noticias?
What did Casely say when he told him the news?
— Chicago (2002)
Tom le explicó a Mary por qué él necesitaba comprarse un coche.
Tom explained to Mary why he needed to buy a car.
Ella le explicó por qué no podía ir a visitarlo.
She explained to him why she couldn't go visit him.
Le explicó que vino del futuro.
He explained that he came from the future.
Tom le explicó todo a Mary.
Tom explained everything to Mary.
Ella le explicó cómo resolver el rompecabezas.
She explained to him how to solve the puzzle.
Tom le explicó la agenda a Mary.
Tom explained the schedule to Mary.
Él le explicó la situación a Mary.
He explained the situation to Mary.
Tom le explicó a Mary que los delfines eran animales pacíficos.
Tom explained to Mary that dolphins were peaceful animals.
Le explicó sus circunstancias.
He explained his circumstances.