neither fish nor fowl
既非鱼亦非禽;不属于任何一种类别;有些人或物难分类
书面/口语·形容难以归类的人或物
英文释义
something or someone that does not belong to any specific group or category
例句
His new art style is neither fish nor fowl—it's not painting, not sculpture, just weird.
典故来源
源自16世纪欧洲饮食文化,指既非鱼(天主教斋戒日可食)亦非禽(贵族常食),比喻难以归类。