一句英语翻译The most mild-mannered mother of three turns into a ra

一句英语翻译
The most mild-mannered mother of three turns into a race car driver when she gets on the road.
原文：Driving in a big city like L.A. can be so stressful. It sometimes feels like I'm doing battle just to get to the grocery store, much less across town. What is it about getting behind the wheel that brings out people's aggressive side? The most mild-mannered mother of three turns into a race car driver when she gets on the road.
谢谢