Webto be unable to make a decision about doing something: Stop dithering and choose which one you want! 别犹豫了,赶快决定你想要哪个!. vacillate uk / ˈvæs.ɪ.leɪt/ us / ˈvæs.ə.leɪt/ verb disapproving. to be uncertain what to do, or to change often between two opinions: Her mood vacillated between hope and despair ...
Webto be uncertain what to do, or to change often between two opinions: Her mood vacillated between hope and despair. 她时而心怀希望,时而感到绝望。. waver uk / ˈweɪ.vər/ us / …