mitigation

柯林斯词典

1. PHRASE If someone, especially in a court, is told something in mitigation, they are told something that makes a crime or fault easier to understand and excuse. 为减轻罪责; 为从轻处置; 为了开脱[正式] [PHR with cl]
The prosecutor told the judge in mitigation that the offences had been at the lower end of the scale. 公诉人对法官说这些罪行情节较轻，希望能够从宽判决。
2. N-UNCOUNT Mitigation is a reduction in the unpleasantness, seriousness, or painfulness of something. 减轻; 缓和[正式]
...the mitigation or cure of a physical or mental condition. ...身体或心理疾病的缓和或痊愈。