reactive
adjective
UK/riˈæk.tɪv/
US/riˈæk.tɪv/
Definitions of reactive adjective
Responding to events or situations, rather than initiating action to change or prevent them.
反應性的；被動的（非主動求變或預防性的）
Regrettably, the police response to car theft has been reactive, rather than proactive.
遺憾的是，警方對汽車盜竊的反應是被動的，而不是主動的。
It seems they are only capable of reacting negatively to suggestions from others.
他們似乎只會對他人的建議做出負面反應。
The company's response to market shifts has always been reactive.
該公司對市場變化的反應一向是被動的。