【English Corner 快樂英語角Week 199】單元2. Idioms of the Week (俗諺俚語)

高高在空氣中?
Up in the air
Meaning:Uncertain or not confirmed
解釋:懸而未決
例句:My plan for the trip to Japan is still up in the air because my boss hasn’t approved my vacation request.(我去日本旅行的計畫仍懸而未決,因為我老闆還沒有批准我的休假申請。)◇