他一时冲动买下了那辆昂贵的车，真是莽撞。

His ___hotheaded decision to buy the expensive car was impulsive.

这个易怒的司机因为一点小擦碰就跳下车和对方争吵起来。

The ___hotheaded driver jumped out of his car to argue with the other party over a minor scratch.