Contrast is also a foil, but contrast is not a general foil, and it needs the help of atmosphere rendering to increase the intensity of foil. That is to say, the specific gravity is in contrast to the atmosphere. For example, in Wang Changling's Youth Journey, the first two sentences describe an unusual atmosphere, which enriches the image of the youth. Contrast is often achieved through strong emotional scenes, such as the description of scenery in Ma Zhiyuan's Tianjingsha Qiu Si.
Contrast is an aspect of contrast technique, as the name implies, that is to say, the relationship between setting off and being set off is opposite. Write happiness with beautiful scenery and sadness with tragic scenery, which is called setting off, setting off and comparing; Write happiness with tragic scenery and sadness with beautiful scenery. This is called contrast. For example, Du Fu's "The wine in Zhumen stinks and the bones freeze to death on the road" ("Five hundred words from Beijing to Fengxian") is a famous comparative sentence. Another example is Xin Qiji's sentence: "Teenagers don't know the taste of sorrow, fall in love with the building, and say that they are worried about new poetry." Now they know the taste of sadness. "
Setting off is to highlight the expression of things by using similar or opposite conditions between things. It can make the things that are set off more prominent, and the image can be divided into positive contrast and negative contrast. Positive contrast is the use of similar conditions to highlight the main body. Negative contrast is the opposition between the subject and the lining, which sets off the subject from the opposite side.