What are the common expressions in the appreciation of ancient poetry?

Several common skills of expressing 1 Contrast or contrast refers to supporting armor with B, which makes the characteristics of armor more prominent. There are two kinds of contrast: positive contrast and negative contrast. "The river of no return, a man who has been squandered by waves, is a romantic figure through the ages. Therefore, in the west of his base, humanity is the red cliff of Zhou Lang. " (Su Shi's Niannujiao Chibi Nostalgia) 2. There are many ways to use allusions in ancient and modern times. Generally, there are four ways: explicit use, implicit use, active use and passive use. (1) When using allusions in explicit classical poems, if readers can see them literally, they will know that they used an allusions in explicit use. (2) When using allusions in implicit classical poetry, sometimes on the surface, allusions seem to be integrated with contextual sentences, but if you don't examine them carefully, you won't know that they are allusions. This is a dark allusion. (3) Uncle Yun, the farewell school book of Xie Tiao Building in Xuanzhou, is being used as an allusion. "The bones of great writers are all your brushes. In Tianyuan, I grew up by your side, Xiao Xie." In allusions, people praise Liu Yun and themselves. "Penglai", the name of the sacred mountain in the sea, is a rare classic in the legendary fairy house, and all this is hidden here. (4) Some poets use allusions to take allusions. Li was strongly encouraged to make contributions in Shu, and the first sentence in Li Bai's "Shu Dao Nan" was summarized as "Shu Dao Nan, it is difficult to go to heaven". Originally, Li Bai's Difficult Shu Road emphasized the high risk of Shu Road, while Xin Qiji emphasized in Manjianghong that it is possible to reach the sky through hard climbing. This is a typical anti-allusion. There are two kinds of allusion: allusion and quotation of previous poems. Citation is to express the author's thoughts and feelings by borrowing historical stories, including his position and attitude towards some problems in real life, personal feelings and wishes. It belongs to expressing feelings through the past. The purpose of quoting or using predecessors' poems is to deepen the artistic conception in poems, to urge people to associate and to find the meaning beyond words.