join in

US /dʒɔɪn ɪn/
UK /dʒɔɪn ɪn/
"join in" picture
1.

unirsi, partecipare

participate or become involved in an activity with others

:
Everyone was singing, so I decided to join in.
Tutti cantavano, così ho deciso di unirmi.
Don't be shy, just join in the game!
Non essere timido, unisciti al gioco!