themselves
US /ðəmˈselvz/
UK /ðəmˈselvz/

1.
他們自己, 自身
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.
他們給自己買了一輛新車。
•
The children enjoyed themselves at the park.
孩子們在公園裡玩得很開心。
2.
自己, 親自
used to emphasize the subject when they are also the object of the action
:
•
They built the house themselves.
他們自己蓋了房子。
•
The students organized the event themselves.
學生們自己組織了這次活動。