当大家说 something is in the air 空气中有哪些东西的时候，其实是想表达一件让人开心的事情大概马上发生。
例句
Spring is in the air - its a time for change!
Theres definitely something in the air - two of my friends have announced they are getting married.
There was a feeling in the air the athlete would win gold.
请注意
A breath of fresh air 意思是一阵清风，给人焕然一新的感觉。
Anna has lots of wonderful ideas and motivation - shes a breath of fresh air.
The new coat of paint in the lounge1 has given the room a breath of fresh air.