vacillate
🇺🇸
/ˈvæsəleɪt/
🇬🇧
/ˈvæsəleɪt/
to keep changing your mind about something, especially in a way that can be frustrating to others
He kept vacillating about whether to take the job or not, which was starting to frustrate his colleagues.
그는 계속해서 일을 받아들일지 여부에 대해 방황했고, 이는 동료들에게 실망감을 불러일으키기 시작했습니다.