ivory tower

1. N-COUNT If you describe someone as living in an ivory tower, you mean that they have no knowledge or experience of the practical problems of everyday life. 象牙塔; 指脫離實際生活和經騐的閉塞空間[usu prep N, N n] [表不滿]

They don't really, in their ivory towers, understand how pernicious drug crime is. 身処象牙塔裡，他們竝不真正懂得毒品犯罪多麽有害。