de improviso

unexpectedly

→ de
phrase Rare #43,927
unexpectedly Can also mean “without preparation” or “on short notice,” depending on context.
SP: No esperaba que llegara de improviso.
EN: I didn’t expect him to arrive unexpectedly.

Gracias por aceptar el trabajo tan de improviso.

Thank you for accepting the job so unexpectedly.

— Bullet Train (2022)

No soy bueno para hablar de improviso.

I'm not good at speaking off the cuff.

Le gusta cuando aparezco de improviso.

He likes it when I show up unexpectedly.

— La vida es bella (1997)

Aparece de improviso.

It appears out of nowhere.

— La vida es bella (1997)

Espero que volvamos a encontrarnos de improviso.

I hope we meet again unexpectedly.

— La vida es bella (1997)