early 15c., originally in reference to medicine that reduces swelling or humors, from Middle French impulsif or directly from Medieval Latin impulsivus, from Latin impuls-, past participle stem of impellere (see impel). Of persons, "rash, characterized by impulses," from 1847.
实用例句
1. Adolescent suicide is rarely an impulsive reaction to immediate distress.
青少年自杀很少是由于突然发生不幸而作出的冲动反应。
来自柯林斯例句
2. He is too impulsive to be a responsible prime minister.
他容易冲动，很难成为值得依赖的首相。
来自柯林斯例句
3. She was unpredictable, explosive, impulsive and easily distracted.
她难以捉摸，脾气暴躁，冲动鲁莽，容易分心。
来自柯林斯例句
4. His impulsive temperament regularly got him into difficulties.
