"Healthy, safe, happy and smooth" is used to wish each other peace, smoothness, happiness, everything is fine, and there is no interference from diseases! It is also usually used to send others away. "Smooth" means that everything is in line with people's wishes and is progressing smoothly! Peace is not accidental, stable and safe; Joy, joy, joy, I hope those who hear these things are safe and happy, and there is no danger. Blessing words similar to happiness semantics are: all the best, all the best, smooth sailing, all the best, and so on.