这位首席执行官的行为明显是对其职权的滥用。

The CEO's actions constituted a clear ___abuse of his authority.

虽然互联网非常宝贵，但对其自由的滥用可能导致有害内容的传播。

While the internet is invaluable, the ___abuse of its freedom can lead to the spread of harmful content.

纵观历史，对司法系统的滥用常常是维持压迫性政权的工具。

Throughout history, the ___abuse of justice systems has often been a tool for maintaining oppressive regimes.