叛军首领在政变中篡夺了总统的权力。

The rebel leader ___usurped the president's power during the coup.

将军通过政变夺取了王位。

The general ___usurps the throne through a coup.

该员工未经授权擅自篡改了公司的财务记录。

The employee ___usurps the authority to alter the company's financial records without permission.