但它们对停止行驶的车辆较为警觉，的翻译：But they stopped vehicles travelling more vigilant 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

But they are more alert to stop a moving vehicle,

But they stopped vehicles travelling more vigilant

But they to stop the vehicles vigilance which goes,

But they have to stop driving the vehicle a more vigilant.

But they stopped vehicles travelling more vigilant