The meaning of “not love, but hate” is not something that can be described in words, as it is a deep and complex feeling. It can be seen as a form of negative emotions, where the person experiencing it does not feel any positive emotions towards another person, but instead feels a deep sense of sadness or anger.
“Not love, but hate” can also be used to describe a more general sense of negative emotions towards something or someone. These emotions can range from disappointment, frustration, and loneliness to even more intense forms of仇恨，报复，愤怒等负面情绪.
The phrase “not love, but hate” can be seen as a way to express a deep sense of disappointment, frustration, or anger towards something or someone, but it can also be used to describe a more general feeling of negative emotions towards something or someone. In both cases, the phrase is used to communicate that the feeling is not just one of hate, but rather a deep and negative emotion that is specific to that particular situation or person.