a)if a feeling is in the air, a lot of people feel it at the same time 〔某种情绪〕弥漫在空气中
There was a sense of excitement in the air.
到处洋溢着一种激动的气氛。
b)to be going to happen very soon 即将发生
Change is in the air.
变革即将到来。
Examples from the Corpus
be in the air• And something else was in the air.• The smell of Dada's cutgrasswas in the air.• He is in the AirForce.• Maybe a truceis in the air.• So in a very short time we were in the air.