jaywalkyoudaoicibaDictYouDict[jaywalk 词源字典]
"Cross or walk in the street or road unlawfully or without regard for approaching traffic", Early 20th century: from jay in the colloquial sense 'silly person' + walk. More The ‘jay’ in the word is the same as the bird, which has been used colloquially to mean ‘silly person’.[jaywalk etymology, jaywalk origin, 英语词源]