A knife and a swallow's tail
Chinese idiom, Pinyin is d à ot ó uy à NW à I, which means strong and forceful writing. It comes from Zhao Guangfu, a record of seeing and hearing pictures by Guo Ruoxu of Song Dynasty.
Idiom usage
Used as an object or attribute; used in calligraphy, etc
The origin of Idioms
Guo Ruoxu of the Song Dynasty wrote in Zhao Guangfu, a record of seeing and hearing pictures: "the work is rigid in Buddhism and Taoism, and it is also proficient in fanma. It has a strong pen and is famous for its sharp edge and swallow tail."
Idiom explanation
It means that the writing style is vigorous and powerful.
A knife and a swallow's tail
on the basis of one-sided viewpoint - máng rén mō xiàng
so busy as to have no time for eating - bù huáng xiá shí
dragons and snakes follow one 's writing brush -- good penmanship - bǐ zǒu lóng shé
with fate adverse and circumstance unfavourable - shí guāi mìng jiǎn
misfortune might be a blessing disguise - huò fú xiāng yī