一字之师

Explanation: To correct a word teacher. Some good poetry, by others more perfect after the change of a word, the word is often said that people change the word teacher, "or the word of the division." 　　Usage: Partial official; as object; refers to the teacher to correct a word 　　Source: Total Active Song "Poetry Chronicle" Monk Zheng Qi Ji Gu change "early Mei" Shi 'a few branches open' for 'an open'. Qi has been worshiped as the word people with Valley Division. " 　　Riddle: Growth of the three services put the snake array 　　Story: The words from the Song Tao Yue "Five Dynasties up." During the Tang dynasty, is the development of China's feudal society in a very prosperous period, literature and art are very well developed, of which the most representative poems. At the time, not only poets, poems and more, and in art, the content level is high. Many of the poets at the time, there has been a poet called together, in a winter wilderness after his heavy snow, looking Aoxue open plum, poetic mood big time, created an "early plum" poem, chant open early in the winter plum. Poem 2 wrote: snow beyond the village, the number of branches to open last night. Written, he felt very satisfied. A person called Zheng Gu, see Qi has been written after the poem that this poem means not entirely. So he thought after repeated scrutiny, these two lines read: snow beyond the village, blossomed last night. Because he believes that since the number of plum branches are opened, it can not be regarded as an early plum. Zheng Valley, this change, although the figures only to the word, only the word of the change, but to make "early plum," meaning of the title is more appropriate, and poetic mood and more perfect. Gu Zheng Qi has great respect for this change, then that is known for his word Zheng Gu division.