So that while Rosemary was a " simple" child she was protected by a double sheath of her mother's armor and her own--she had a mature distrust of the trivial, the facile and the vulgar.

因此，虽然罗斯玛丽是一个“单纯”的孩子，但她受到母亲和她自己的双重护甲的保护——她对琐碎、轻率和粗俗的事物有着成熟的不信任。