keep one 's pen running on
The Chinese idiom, Pinyin is sh ǒ UB ù t í NGH á o, which means that the hand keeps writing; the description keeps writing. It's from a warning to the world.
The origin of Idioms
The ninth volume of Feng Menglong's warning to the world: "Li Bai's left hand flicked Xu, his right hand raised Sun Yat Sen's rabbit Ying, and put her hand on the five flower paper. In a moment, the grass scared people."
Idiom usage
To write without stop.
Examples
Tingting laid down the paper, and wrote it carelessly. The 53rd chapter of Jing Hua Yuan by Li Ruzhen in Qing Dynasty
keep one 's pen running on
The moon is dark and the wind is high - yuè hēi fēng gāo