the effect that an action, event, or decision has on something, especially a bad effect

Any decrease in tourism could have serious repercussions for the local economy. 旅游业只要出现任何一点儿衰退，都可能会给当地经济带来严重影响。

President Kennedy's assassination had far-reaching repercussions. 肯尼迪总统遇刺产生的影响是深远的。