(an example of) activity against another person, especially as a punishment by military forces or a political group

economic/military reprisals 经济／军事报复

They promised that individuals could live freely without fear of reprisal from the military. 他们承诺说，人们可以自由生活，不必担心军方的报复。

The attack was in reprisal for the kidnapping of their leaders. 这次袭击是对他们领导人被绑架的报复。