showing behaviour in which you do things suddenly without any planning and without considering the effects they may have
发音
例句
1. She is impulsive in her actions. 她的行为常出于冲动。 2. He was neither an impulsive nor an emotional man, but a very honest and sincere one. 他不是个一冲动就鲁莽行事的人,也不多愁善感, 他为人十分正直、诚恳。