impulsive

1. ADJ If you describe someone as impulsive, you mean that they do things suddenly without thinking about them carefully first. 易冲动的

He is too impulsive to be a responsible mayor. 他太容易冲动，无法成为一个可靠的市长。

2. impulsivelyADV 冲动地[ADV with v]

He studied her face for a moment, then said impulsively: "Let's get married."

他仔细端详了一会她的脸，然后冲动地说：“我们结婚吧。”