Spider silk
Horse trace spider silk, a Chinese idiom, Pinyin is m ǎ J ì zh ū s ī, which means traces of horse hoofs, spider silk, and metaphors of indistinct traces and clues. It's from Hua Yue Chen.
The origin of Idioms
The fifth chapter of Hua Yue trace written by Wei zi'an in Qing Dynasty: "the darkness in the middle of the Ming Dynasty, the side in the middle of the Ming Dynasty, the side in the middle of the Qing Dynasty, the grass snake gray line, the horse trace spider silk."
Analysis of Idioms
Clues
Antonyms are inextricably linked
Idiom usage
As an object; as a clue.
Spider silk
be discriminating in one 's rewards and punishments - shǎng fá fēn míng
One's breathing is barely perceptible. - qì xī yān yān