for both of us
Too small for both of us!
— Indiana Jones et la dernière croisade (1989)
It's for both of us.
Papa a dit que c'était pour nous deux.
Dad said it was for both of us.
Tu devrais être contente pour nous deux, non ?
You should be happy for both of us, shouldn't you?
— Le Loup de Wall Street (2013)
Parce que je pense pour nous deux.
Because I think for both of us.