by 1912, American English (said in original citation to be a Kansas City term), from jay, perhaps with notion of boldness and impudence. Related: Jaywalk; jaywalker.
权威例句
1. Risk my life jaywalking - No! I'm not having any.
要我冒生命危险违章穿过马路吗? -- 对不起! 我不干.
2. If I catch you jaywalking again, I'll give you a ticket.
如果让我再逮到你横穿马路, 就要给你开罚单.
3. Jaywalking and cutting lines when boarding trains are bearable.
红灯还爱闯马路就算了,坐捷运不排队也罢.
4. The judge fined her $ 2 5 for jaywalking.
法官因她不遵守交通规则穿越马路而罚她25美元.
5. In most American cities you can be fined for jaywalking.