su promesa

his promise

→ su
phrase Common #7,821
his promise Possessive pronoun + noun; the owner can also be feminine or plural depending on context, but the examples use a male subject.
SP: Él cumplió su promesa.
EN: He kept his promise.

Tom rompió su promesa y no ayudó a Mary.

Tom broke his promise and didn’t help Mary.

No fue fácil para él cumplir su promesa.

It wasn't easy for him to keep his promise.

Debe mantener su promesa.

He must keep his promise.

Tom y María mantendrán su promesa.

Tom and Maria will keep their promise.

Don Ciccio Matara había mantenido su promesa.

Don Ciccio Matara had kept his promise.

— Divorcio a la italiana (1961)

Por lo que yo sé, él es una persona que mantiene su promesa.

As far as I know, he is a person who keeps his promises.

Olvidó su promesa de ir allí.

He forgot his promise to go there.

Ha mantenido su promesa, Sra.

You have kept your promise, ma’am.

— Black (2005)

Él es la última persona que rompería su promesa.

He's the last person who would break his promise.

Tengo fe en que él mantendrá su promesa.

I have faith that he will keep his promise.

Tom no fue capaz de mantener su promesa.

Tom was unable to keep his promise.

Como suele ser el caso con ella, rompió su promesa.

As is usually the case with her, she broke her promise.

Mantendrán su promesa.

They will keep their promise.

No romperá nunca su promesa.

He will never break his promise.

Ellos no mantuvieron su promesa.

They didn't keep their promise.

Creí que él mantendría su promesa.

I believed he would keep his promise.

Nunca romperá su promesa.

He will never break his promise.