vacillate
US /ˈvæs.ə.leɪt/
UK /ˈvæs.ə.leɪt/

1.
vacilar, dudar
alternate or waver between different opinions or actions; be indecisive
:
•
She tends to vacillate between two extremes.
Ella tiende a vacilar entre dos extremos.
•
The government continues to vacillate on the issue of economic reform.
El gobierno sigue vacilando en el tema de la reforma económica.