back and forth
US /bæk ən fɔːrθ/
UK /bæk ən fɔːrθ/
1.
avanti e indietro
moving first in one direction and then in the opposite direction repeatedly
:
•
The pendulum swung back and forth.
Il pendolo oscillava avanti e indietro.
•
They walked back and forth across the room.
Camminavano avanti e indietro per la stanza.
2.
avanti e indietro, tra due punti
between two points, people, or places
:
•
The ball went back and forth between the players.
La palla andava avanti e indietro tra i giocatori.
•
They exchanged emails back and forth for days.
Si sono scambiati email avanti e indietro per giorni.