1ADJ-GRADED 仁慈的;宽厚的 If you describe God or a person in a position of authority as merciful, you mean that they show kindness and forgiveness to people. 仁慈的;宽厚的
2ADJ-GRADED (尤指因结束了某人的痛苦或不适)幸运的,有福气的 If you describe an event or situation as merciful, you mean that it is a good thing, especially because it stops someone's suffering or discomfort. (尤指因结束了某人的痛苦或不适)幸运的,有福气的
We were told when he was taken to hospital that his injuries were so severe death would be merciful.