It's no good asking her to take care of the children - she's away with the fairies most of the time. 她这人有点儿怪,让她照顾孩子不好。
Much of the time, he is away with the fairies, lying in his room daydreaming.
The way he's behaving shows he's not stupid, he's just away with the fairies.
I think it's fair to say that she was away with the fairies at that time.
Whoever we appoint as the new manager needs to be a practical person, not away with the fairies.
See also: fairy (IMAGINARY CREATURE)