After the next sentence "do your best", you can add "do your best", which means to do one thing with your best ability and effort. It means that we will try our best to use our knowledge, skills and resources to finish a job or help others in the best way, which emphasizes personal enthusiasm and sense of responsibility, and also shows our seriousness and devotion to things.

The next sentence "do your best" can be followed by "go all out", which means to do your best to complete a task or achieve a goal. It means that you are willing to do your best, spare no effort to pursue success, emphasize heart and soul, and leave no way out.