up in the |air → 1.아직 미정인 Our travel plans are still up in the air. 속도조절 우리 여행 계획은 아직 미정이다. (up) in the air-uncertain, not yet decided up in the air- 1. [Adverb] &lit up in or into the sky or air. 2. [Adjective] (idiomatic) Not yet resolved, finished, answered, decided or certain. The projectis up in the air as the management has failed to finalize the budget 경영진에서 예산을 확정하지 못해 그 프로젝트는 미정 상태다 up ..