Langhuan is not trying to insult or trying to be arrogant. He is explaining the style of shooting they use to get the most power from the type of tubes and slingshot they use. Chinese is very difficult to translate to English with any computer program.
Hey harpersgrace, I know what you mean about some of the other weapons forums. There's a lot of "experts" on some of them and they don't mind at all telling everyone how "expert" they are.