hágamelo saber

let me know

→ hacer
phrase Rare #41,336
let me know Formal way to ask someone to tell you something or inform you of a change.
SP: Si necesita ayuda, hágamelo saber.
EN: If you need help, let me know.

Si usted está en problemas, cuando sea, hágamelo saber.

If you are in trouble, at any time, let me know.

— Masaan (2015)

Si cambiara su opinión, hágamelo saber.

If you change your mind, please let me know.

Si cambia su dirección por favor hágamelo saber.

If your address changes, please let me know.

Si necesita algo, hágamelo saber.

If you need anything, please let me know.

— Tropa de élite (2007)

Entonces eso también hágamelo saber.

Please let me know about that as well.

— Masaan (2015)