The car had apparently hit a traffic sign before skidding out of control.
汽车显然在失控滑出前猛地撞到了一个交通指示牌。
《柯林斯英汉双解大词典》
2
How to live with less control. When you have a car, you feel that things are under your control (forgetting about traffic, accidents and the like).
被控制的生活当你有私家车时，你会觉得事情尽在自己掌握(忽略交通堵塞、交通事故等问题)。
3
The eyewitness report says for no apparent reason, she lost control of her car, crossed the center median, clipped a bridge, then flipped across two more lanes of traffic.