这是什么结构？The woman was ten years his senior. ？ - 知乎 junior, senior之类的词可用于形容词比较级,它们相应的名词也有比较意义。你举的例子 The woman was ten years his senior 相当于说 The woman was his senior by ten years 这个女人比他大10岁。 直接用senior做形容词的表达，则： The woman was ten years senior to him The woman was senior to him by ten years