A lady is nothing very specific. One man's lady is another man's woman; sometimes, one man's lady is another man's wife. Definitions overlap but they almost never coincide.
女人没有什么特别的。一个男人的女人就是另一个男人的女人;有时候，一个男人的女人是另一个男人的妻子。定义有重叠，但几乎从不重合。
标签
Wife
Woman