back and forth

US /bæk ən fɔːrθ/
UK /bæk ən fɔːrθ/
"back and forth" picture
1.

ke sana ke mari, ulang-alik

moving first in one direction and then in the opposite direction repeatedly

:
The pendulum swung back and forth.
Bandul berayun ke sana ke mari.
They walked back and forth across the room.
Mereka berjalan ke sana ke mari melintasi bilik.
2.

ke sana ke mari, antara dua pihak

between two points, people, or places

:
The ball went back and forth between the players.
Bola bergerak ke sana ke mari antara pemain.
They exchanged emails back and forth for days.
Mereka bertukar e-mel berulang-alik selama beberapa hari.