su investigación

his, her, your, or their research

→ su
phrase Rare #35,222
his, her, your, or their research Su can refer to one person or to multiple people; the intended possessor is clear from context. Investigación can mean research or investigation.
SP: Su investigación sobre el clima continúa este año.
EN: Their research on climate continues this year.

Él está absorto en su investigación.

He is engrossed in his research.

Su investigación se retrasó y va a tener que quedarse en Quebec.

His investigation was delayed and he will have to stay in Quebec.

— Roma (2018)

Él ha descuidado su investigación últimamente.

He has neglected his research lately.

Nada la puede distraer de su investigación.

Nothing can distract her from her research.

De seguro su investigación dará frutos.

I'm sure your research will bear fruit.

Su investigación no tiene la capacidad para cambiar el destino.

Their research has no power to change fate.

— Legado en los huesos (2019)

Incluso su investigación, Dr. G.

Even your research, Dr. G.

— Avatar: El camino del agua (2022)