up in the air
成語所屬單字air
up in the air — 慣用語
1. still not decided or settled, usually because more information or agreement is n
1.慣用語
釋義
懸而未決；尚未確定
still not decided or settled, usually because more information or agreement is needed.
例句
Plans for the family reunion are still up in the air until Grandma confirms the date.
The job offer in Singapore is up in the air after the merger was announced.