reactive
adjective uk/riˈæk.tɪv/ us/riˈæk.tɪv/
反应的，回应的（非主动求变或预防性的）
reacting to events or situations rather than acting first to change or prevent something
Unfortunately, the police have dealt with the problem of car theft in a reactive rather than a proactive way. 不幸的是，警察应付汽车盗窃案的方式只是发生一起调查一起，而不是采取主动预防性措施。
They seem only capable of being negatively reactive to other people's suggestions.