John and I have been trying to make plans for a while, but as of yet, they're still up in the air.
Whenever I ask her what's going on, she says things are up in the air and seems stressed.
They're up in the air about whether or not they'd like to vacation in Greece or Turkey this summer.
You can't shop with her—it's a nightmare. She'll be up in the air about whether or not to buy a pair of cheap shoes for hours.
He's still up in the air about what he specifically wants to study, but he's gotten into college and plans to attend classes this fall.
She's not the best at decision-making—most of the time when I ask her about her future, she's simply up in the air about everything.
I'm up in the air about whether I should take Todd to the doctor today. It seems he's just got a head cold, but it also seems like he's had it for much too long.
Months into planning the trip, they were still up in the air about specifics.
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