[] a reduction in how unpleasant, serious or dangerous sth is缓解；减轻◆Risk mitigation is all about taking actions that control risks.风险缓释就是采取控制风险的措施。◆His lawyers are making a mitigation plea (= to make his crime seem less serious).他的律师正在作减轻罪状的辩解。●in mitiˈgation () with the aim of making a crime seem less serious or easier to forgive为了减轻罪名◆In mitigation, I did discover and correct the mistake before there were any serious results.一个可以减轻处罚的事实是，在造成严重后果之前，我已经发现并改正了错误。