n air (1. atmospheric air; 2. appearance; 3. melody);
esser in le aer to be up in the air;
facer castellos in le aer to build castles in the air;
prender le aer to take an airing;
dar se aeres to give oneself airs;
parlar in le aer to talk at random;
haber le aer de (facer un cosa) to appear to be (doing something);
haber le aer (triste) to look (sad);
aer libere open air