How to pronounce “vacillate” in English

to those children that is calm so they vacillate between the potency of

I know that when I watch it, I vacillate between curling up on my couch and crying all the way to dancing in my living room.

Basic trust in the government to do what’s right -- it’s vacillated, but it’s just fallen and flatlined for over 20 years.

And depending on which piece of research you read-- since the 1950s, it vacillates.

I don't mean it took all the pain out of it, but it kind of vacillated between acute pain and just going, whoa, that's an amazing wave of pain.

And so what leaders need to do, I think, is vacillate between being persuadable and being decisive.