"off the wall" is a colloquial language produced in the 1970s in the United States, which means "unusual", "fanaticism" and "unimaginable". VANS used this slogan to explain the unrestrained and self-seeking style of young people in skateboarding culture it represents.

Translation is the act of converting information in one language into information in another language on the basis of accuracy, fluency and elegance. Translation is the process of transforming a relatively unfamiliar expression into a relatively familiar one.

Its contents include language, characters, graphics, symbols and video translation. Among them, in A language and B language, "fan" refers to the conversion of these two languages, that is, first, a sentence in A language is converted into a sentence in B language, and then a sentence in B language is converted into A language; "Translation" refers to the conversion process between two languages, from A to B, and then understand the meaning of B in the process of translating into the local language. Both of them constitute translation in a general sense, so that more people can understand the meaning of other languages.