vacillate between

vacillate between (someone and someone else) (or something and something else)

to waver between a choice of people or a choice of things. He kept vacillating between Fred and Alice. Wayne vacillated between chocolate and vanilla.
See also: between
References in periodicals archive ?
NNA - ACI Lebanon on Tuesday hosted a ceremony at Four Seasons hotel in Beirut upon its golden jubilee, under the auspices of Lebanese Central Bank Governor, Riad Salameh, who said that despite the current critical juncture shaking Lebanon on both the political and security levels, real growth was expected to vacillate between 2 and 5%, with inflation ration that would not exceed 4%.
An individual suffering from brain allergies might exhibit symptoms that vacillate between behaviors on both ends of the scale.
The brackishly colored figures vacillate between states of terror and jubilation, caught between suspension and flight.
I vacillate between answering "yes" and "no" to each, check to see which response feels more like the truth and gets me closer to understanding.
Many counselor's-in-training vacillate between stages.
Appiah contends that Wright in Black Power (1954) has no attachment to or interest in Africa; as a result, the reader witnesses Wright's mood swings as they vacillate between condescension and paranoia.
Stamping Ground, a second Kylian essay into contemporay primitivism, this time with aboriginal dance as the inspiration, seemed to vacillate between authenticity and satire, and yet it did not lack invention.
Suggestively here Gentilcore appears to vacillate between playing the role of Virgil and Beatrice, as he seems to be guiding the reader at one moment through hell and the next through heaven, but nicely in the end he shows us how all that he describes is part of one very richly revealing divine comedy, that made up the sacred world of early modern Terra d'Otranto.
Nearly all of the photos are shiny, generously sized Cibachromes mounted on aluminum museum boxes, which give them an almost holographic quality--they seem to vacillate between flatness and dimensionality.
Like almost everything in these images, the human subjects vacillate between absence and presence, in that strange mix of distraction and concentration, that state of reverie that overtakes us when we are waiting for the bus or anticipating our stop.