Other things which happen with your nose, maybe if you... that is called a sneeze and when someone sneezes, it's very common for the other person to say " bless you" or " god bless you" .

你的鼻子还会做的其他事情，也许如果你......这就是打喷嚏，当一个人打喷嚏时，另一个人通常会说“保佑你”或“上帝保佑你”。