themselves
US /ðəmˈselvz/
UK /ðəmˈselvz/

1.
se stessi, loro stessi
used as the object of a verb or preposition to refer to a group of people or things previously mentioned as the subject of the clause
:
•
They bought themselves a new car.
Si sono comprati una macchina nuova.
•
The children enjoyed themselves at the park.
I bambini si sono divertiti al parco.
2.
da soli
used to emphasize the subject when they are also the object of the action
:
•
They built the house themselves.
Hanno costruito la casa da soli.
•
The students organized the event themselves.
Gli studenti hanno organizzato l’evento da soli.