Fish and Osprey
Yu Gua e Li, a Chinese idiom, Pinyin is y ú L í n è n ì, which means to stare like fish and E, which means to stare with open eyes. It's from the biography of Lang Qian by Chen Kangqi of Qing Dynasty.
Idiom usage
Used as an object or attribute; used in writing
The origin of Idioms
The eighth volume of Lang Qian Ji Wen written by Chen Kangqi in Qing Dynasty: "the literati and bureaucrats of Gai Dynasty went up and down in Li Wu, whose system and practice were slightly different, did not make the vulgar Mermaid blind."
Idiom explanation
Stare like fish and Osprey. It's a metaphor.
Fish and Osprey
Monofilament does not form thread - dān sī bù chéng xiàn