Is it good or bad to say that people are nerds?

Nerd, generally referring to dead reading, dogmatism; The book is full of life and knows nothing about the accident. Generally speaking, it refers to people who only read books and don't use the knowledge in books flexibly, which is also commonly known as reading stupidity. Being called a nerd is not pure kindness or malice. If it is said by a girl, it generally means that you don't understand amorous feelings. If it's a boy, it generally means that you don't know how to be flexible and worldly. Of course, there are also malicious or jealous people who say that you are stupid and can do nothing but read.