Up in the air
Meaning: If something is up in the air, no decision has been made. Undecided about someone or something; uncertain about someone or something.
Example: Our plans for the summer are still up in the air. I don't know what Sally plans to do. Things were sort of up in the air the last time we talked. Let's leave this question up in the air until next week.
Example: Our plans for the summer are still up in the air. I don't know what Sally plans to do. Things were sort of up in the air the last time we talked. Let's leave this question up in the air until next week.