in extremis
(Latin 拉)
1 (fml 文) (as a last resort when) in an emergency 在緊急關頭; 應變措施
This alarm button is only to be used in extremis. 此警報按鈕只在緊急情況下使用.
2 (religion 宗) (in the Roman Catholic Church) about to die (天主教會用語)臨終
administer the last sacrament to sb in extremis 給臨終的人傅油.