1 to damage sth so badly that it can no longer be used or no longer exists 摧毁；毁坏；破坏: The building was destroyed by fire. 这座建筑物被大火焚毁了。The defeat destroyed his confidence. 这次失败毁掉了他的信心。

2 to kill an animal, especially because it is injured or dangerous 杀死（尤指受伤或危险的动物）: The horse broke its leg and had to be destroyed. 那匹马弄断了腿，必须杀死。