usurpation
n. 篡夺
1. entry to another's property without right or permission
2. wrongfully seizing and holding (an office or powers) by force (especially the seizure of a throne or supreme authority);
Liu Cao Cao's usurpation of the world, called the history of infidelity.
曹操篡夺了刘家的天下, 历史称之为不忠.