But at least the lad was studying, and engineering what's more, not some airy-fairy nonsense.不过至少这个小伙子是在学习，学的还是工程学，而不是什么不中用的东西。She's talking about buying an old castle in Ireland. It all sounds a bit airy-fairy to me.她说要在爱尔兰买一座古堡。可我觉得她说的这些有点儿不切实际。The idea sounded a bit airy-fairy.这个想法听起来有些不切实际。