missed, were absent, failed to keep, disrespected
Nos faltaste al respeto, ¿me oyes?
You disrespected us, do you hear me?
— Ciudad de Dios (2002)
Faltaste a tu promesa.
You broke your promise.
— El Club de la Pelea (1999)
¿Por qué faltaste ayer?
Why were you absent yesterday?
Dime por qué faltaste a la escuela ayer.
Tell me why you were absent from school yesterday.
¡Me olvidé, faltaste cuando enseñaron derecho en la universidad!
I forgot—you must have been absent when they taught law at university!
— Cuestión De Honor (1992)