each other
Io e Tom ci diamo spesso dei regali a vicenda.
Tom and I often give each other gifts.
Ci faremo tre domande a vicenda, ogni sera.
We'll ask each other three questions, every night.
— Quando c'era Marnie (2014)
Si stavano criticando a vicenda.
They were criticizing each other.
They often call each other.
Tom e Mary si stavano urlando a vicenda in francese.
Tom and Mary were shouting at each other in French.