Vacillate between American British formal
1. To uncertainly decide to choose between two different people or things
We are vacillating between the coasts and the mountains as our destination for the coming summer vacation.
Facing difficult economic circumstances, many workers have vacillated between keeping to work in the city and returning to their hometown.
2. To vary between two different conditions or cases
In this particular region, the temperature can vacillate between high and low within several hours.
K9 dogs vacillate between being serious at work and being adorable at home.
To become better
Try to avoid to change something because doing something else could make things worse
As a person's power increases, his or her sense of morality lessens.
To revise, adapt, or customize something to fit someone or something
To change a situation to fit in with one's wishes or needs
The verb "vacillate" should be conjugated according to its tense.
If you swallow the bait, you take something that someone offers you, or agree to do something that someone asks you to do without knowing that it is a trick or way of getting something from you.
You can't just do whatever he wants you to do. Don't swallow the bait.