to give him/her (something) as a gift
Pensaba regalarle el reloj de oro de papá.
I was thinking of giving him Dad's gold watch.
— Fresas salvajes (1957)
Me gustaría regalarle algo por su cumpleaños.
I’d like to give them something for their birthday.
El día de los enamorados se acerca y todavía no sé qué regalarle.
Valentine’s Day is coming up, and I still don’t know what to give them.
A Tom no se le ocurría que debía regalarle a Mary en Navidad.
Tom couldn't think of what he should give Mary for Christmas.
¿Alguna vez escuchaste de una chica regalarle un oso a otra chica?
Have you ever heard of a girl giving another girl a teddy bear?
— Masaan 2015 (2015)