toing and froing
US /ˈtɔɪŋ ənd ˈfroʊɪŋ/
UK /ˈtɔɪŋ ənd ˈfroʊɪŋ/

1.
vai e vem, discussões, negociações
moving backward and forward or from side to side; a constant movement or activity, often involving discussion or negotiation
:
•
There was a lot of toing and froing before we finally agreed on the terms.
Houve muito vai e vem antes de finalmente concordarmos com os termos.
•
The constant toing and froing of the pendulum was mesmerizing.
O constante vai e vem do pêndulo era hipnotizante.