No, if a girl says no, it means she is not interested in whatever you are asking or pursuing at that moment. Respect her decision and do not try to push or pressure her into changing her mind. It is essential to understand and accept her boundaries and feelings.
Trying harder after she has said no can be seen as disrespectful, manipulative, and can make her uncomfortable. It is crucial to communicate openly and honestly with each other, but also to be mindful of her feelings and choices. If there is any chance for a change in her feelings, it will likely happen over time as you build trust and understanding, not through persistent attempts to persuade her against her initial decision. Always prioritize consent and respect in any relationship or interaction.