The fifth layer (di four sound wu three sound ceng two sound) is similar to is:Someone to do a thing, you only think of the first layer and the second layer, while I have thought of the fifth layer. It is a recent popular terrier in the Dasima live broadcast, which highlights a layer of the word, to express their ability to understand, the level of understanding than the level of someone above, so it is called lasagna. This terrier is also known as:Old lasagna now.