你的錯。

"...隻好等著，等到紅燈亮了，迎麵來的車停下，我就抓緊這瞬間，左轉彎，..."
In this case, less you have "LEFT TURN ONLY signal", then 你也穿紅燈 + 左轉彎!

你真運氣，命大 + 碰到好人。其實你也有責任, 麥當勞工作的小子作證 maybe real... they just don't agree with you because you had the red light too. If you both have green lights, then it's your fault! You are tooooo lucky.