blow a shadow and carve on a particle of dust -- without seeing any expressions or movement
Chinese idiom, Pinyin is Chu ī y ǐ NGL ò uch é n, which means that the craft is too delicate to be seen. From Guan Yinzi · Yiyu.
Idiom usage
A figure of speech is invisible
The origin of Idioms
Guan Yinzi · Yiyu: "words are like shadows, thoughts are like dust, sages and wisdom create mysteries, ghosts and gods do not know."
Analysis of Idioms
In vain
blow a shadow and carve on a particle of dust -- without seeing any expressions or movement
dragons and snakes follow one 's writing brush -- good penmanship - bǐ dǐ lóng shé
The sky is high and the earth is low - tiān gāo dì xià
To teach according to one's ability - liàng néng shòu guān